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GENERAL KNOWLEGE (STATISTICS AND PROBABILITY)

Total questions: 160

Worksheet time: 6hrs 38mins

Name
Class
Date
1.

It is a numerical quantity that is assigned to the outcome of an experiment.

a)

Statistics

b)

Probability

c)

Random Variable

d)

Distribution

2.

It is the set of all possible outcomes in an experiment.

a)

Random Variable

b)

Sample Space

c)

Mean

d)

Data

3.

Two coins are tossed in an experiment. Which of the following list is the sample space?

a)

S= {HH, HT, TH, TT}

b)

S= {HH, TT}

c)

S= { HT, TH, TT}

d)

S= {HH, HT, TT}

4.

Supposed two coins are tossed consecutively and we are interested in the number of heads that will come out. Determine the values of the random variable H (number of heads).

a)

0,2,3,4

b)

0,1,2,3

c)

0,1,2

d)

0,1,2,3,4

5.

Nico label an x- axis with points earned and the corresponding y - axis with the number of players. He plot one against the other and he obtain a bar graph called a what?

(a)  

6.

If you had no idea what the answer to this four option multiple choice was and took a wild guess, what is the probability that you are correct?

(a)  

7.

Which of the following are the properties of a Normal Probability Distribution.

a)

The distribution curve is bell - shaped.

b)

The curve is symmetric about its center, the mean.

c)

The mean, the median, and the mode coincide at the center.

d)

The area under the curve is 1 or 100%

e)

The tails of the curve is asymptotic to the base line.

8.

TRUE or FALSE: The standard normal distribution of a random variable is a normal distribution with mean =0 and standard deviation =1.

a)

TRUE

b)

FALSE

9.

TRUE or FALSE: The area between 0 and a positive value z is the same as the area between 0 and -z.

a)

TRUE

b)

FALSE

10.

TRUE or FALSE: The area that corresponds to z = 2.58 is the same as the area that corresponds to z = -2.58, which is A = 0.4951

a)

TRUE

b)

FALSE

11.

Find the area that corresponds to z = -1.15

(a)  

12.

What is the probability that the value of a standard normal random variable z lies between 0 and 1.28?

(a)  

13.

It is the mathematical function that gives the probabilities of occurrence of different possible outcomes for an experiment.

(a)  

14.

It is a variable whose value is determined by the outcome of a random experiment.

(a)  

15.

It is a random variable whose set of assumed values that is countable.

(a)  

16.

A random variable whose set of assumed values that is uncountable, usually arises from measurement.

(a)  

17.

It is a number which describes the spread of the distribution.

(a)  

18.

The following table represents the probability distribution X, the employment status of adults in a city.

What is the probability that the adults isn't retired?

(a)  

19.

If you select one adult at a random from this community, what is the probability that the adults is employed as part -time?

(a)  

20.

If you select one adult at a random from this community, what is the probability that the adults is working either part - time or full - time? 

(a)  

21.

A coin is tossed three times. How many total outcomes are possible?

a)

4

b)

8

c)

16

d)

36

22.

How many outcomes are there with tossing a coin and rolling a die?

a)

2

b)

6

c)

12

d)

24

23.

Which shows the sample space for flipping two coins?

a)

S = {H, T}

b)

S = {HH, TT}

c)

S = {HH, HT, TT}

d)

S = {HH, HT, TH, TT}

24.

A function whose value is a real number determined by each elements?

a)

Random Variable

b)

Sample Space

c)

Continuous

d)

Discrete

25.

A couple has four children, let X be the random variables. What are the possible random variable of X?

a)

X = {boy, girl}

b)

X = {0, 1, 2, 3}

c)

X = {0, 1, 2, 3, 4}

d)

X = {0, 1, 2, 3, 4, 5, 6}

26.

A random variable that can take on a finite or countable number of distinct values?

a)

Discrete

b)

Continuous

c)

sample space

d)

random variable

27.

List the sample space for this experiment: A coin is tossed at the start of a basketball match.

a)

S = {HH, TH, HT, TT}

b)

S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

c)

S = {H, T}

d)

S = {HH, TT}

28.

Which of the following random variable is continuous?

a)

The speed of bus

b)

The number of female students

c)

The number defective mobile phone

d)

Choosing a natural number less than 100

29.

Flipping a pair of a coin, let X the number of heads in four flips of a coin?

a)

X = {0, 1, 2, 3}

b)

X = {1, 2, 3}

c)

X = {0, 1, 2}

d)

X = {1, 2}

30.

Which of the following random variable is discrete?

a)

The time needed to finish the module

b)

The amount of sugar in a cup of coffee

c)

A room temperatures in a certain time of a day

d)

Tallying the number of COVID cases in the municipality

31.

Set of integers, where the integers from 2 to 6. What are the possible random variable of integers?

a)

Z = {2, 4, 6}

b)

Z = { 2, 3, 4. 5, 6}

c)

Z = {3, 5, 6}

d)

Z = { 3, 5}

32.

Which of the following variables can assume only an infinite number or measurable?

a)

Discrete

b)

Continuous

c)

Discrete Probability Distribution

d)

Random variables

33.

What is the term used for the set of all possible outcomes in an experiment?

a)

Discrete

b)

Continuous

c)

Sample space

d)

Random variables

34.

A two coins are tossed, which is NOT a possible value of the random variable for the number of heads?

a)

0

b)

1

c)

2

d)

3

35.

Which of the following is discrete random variable?

a)

John weighs 65 kg

b)

John is 160 cm tall

c)

John has two sisters

d)

John ran 200 meters in 15.5 seconds

36.
_______ is the entire group of objects or individuals considered for a survey.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
37.

These kind of observations are made using instruments such as rulers, balances and thermometers.

a)

qualitative

b)

quantitative

38.

These kind of observation use your senses to observe results.

a)

qualitative

b)

quantitative

39.

Probability is...

a)

the likelihood of the occurrence of an event

b)

the name given to any controlled and repeatable process

c)

a set of possible outcomes resulting from a particular experiment

d)

a single specific possible result of an experiment

40.

An Event is...

a)

the likelihood of the occurrence of an event

b)

the name given to any controlled and repeatable process

c)

a set of possible outcomes resulting from a particular experiment

d)

a single specific possible result of an experiment

41.

An Outcome is...

a)

the likelihood of the occurrence of an event

b)

the name given to any controlled and repeatable process

c)

a set of possible outcomes resulting from a particular experiment

d)

a single specific possible result of an experiment

42.

An Experiment is...

a)

the likelihood of the occurrence of an event

b)

the name given to any controlled and repeatable process

c)

a set of possible outcomes resulting from a particular experiment

d)

a single specific possible result of an experiment

43.

An Independent Event is...

a)

the likelihood of the occurrence of an event

b)

not affected by previous events

c)

a set of possible outcomes resulting from a particular experiment

d)

affected by previous events

44.

An Dependent Event is...

a)

the likelihood of the occurrence of an event

b)

not affected by previous events

c)

a set of possible outcomes resulting from a particular experiment

d)

affected by previous events

45.
Identify the Population:
Gwinnett County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective. 30 teachers chose Safari Montage, 45 selected Learn Zillion, 100 chose Ed Puzzle, and 55 chose Kahoot. GCPS concluded that all teachers prefer Ed Puzzle.
a)
230 Teachers
b)
All teachers
c)
100 Teachers
d)
55 Teachers
46.

It is a field of mathematics that deals with chances.

a)

Probability

b)

Algebra

c)

Geometry

d)

Trigonometry

47.

It is the list of all possible outcomes in an experiment.

a)

Experiment

b)

Event

c)

Sample Space

d)

Outcome

48.

It is a set whose elements are the numbers assigned to the outcomes of an experiment. It is denoted by a capital letter, usually 'X'

a)

Outcome

b)

Random Variable

c)

Event

d)

Sample Space

49.

It is a random variable that can take on a finite (countable) number of distinct values.

a)

Discrete Random Variable

b)

Continuous Random Variable

c)

Random Variable

d)

Sample Space

50.

What is the sample space in picking a card in a standard deck of cards?

a)

2

b)

6

c)

36

d)

52

51.

A coin is tossed. Find the probability of getting a head?

a)

12\frac{1}{2}

b)

14\frac{1}{4}

c)

34\frac{3}{4}

d)

1

52.

What is the probability of picking a spade card in a standard deck of cards?

a)

14\frac{1}{4}

b)

313\frac{3}{13}

c)

2352\frac{23}{52}

d)

152\frac{1}{52}

53.

A coin is tossed thrice. Let X be the random variable representing the number of heads that occur. What would be the values of the random variable X?

a)

X={0,1,2}X=\left\{0,1,2\right\}

b)

X={0,1,2,3}X=\left\{0,1,2,3\right\}

c)

Y={0,1,2,3}Y=\left\{0,1,2,3\right\}

d)

Y={1,2,3,4}Y=\left\{1,2,3,4\right\}

54.

An athlete only takes 9 seconds to finish running the 100m sprint. What type of variable is given in this scenario?

a)

Random Variable

b)

Discrete Random Variable

c)

Continuous Random Variable

d)

Sample Space

55.

Identify the type of variable: amount spent in pesos on food in one week.

a)

Discrete Random Variable

b)

Continuous Random Variable

56.

Which of the following is a discrete probability distribution?

a)

The average amount of electricity consumed

b)

The number of patients in a hospital

c)

The amount of paint used in repainting a building

d)

The average weight of female athletes

57.

If two coins are tossed, which is not a possible value of the random variable for the number of heads?

a)

0

b)

1

c)

2

d)

3

58.

Which of the following is not a true statement?

a)

The value of a random variable could be zero.

b)

Random variables can only have one value.

c)

The probability of the value of a random variable could be zero.

d)

The sum of all the probabilities in a probability distribution is always equal to one.

59.

It is a characteristic that can assume different values.

a)

probability distribution

b)

variable

c)

discrete

d)

nominal

60.

It consist of the values of the random variable can assume and the corresponding probabilities.

a)

Probability

b)

Frequency Distribution

c)

Probability Distribution

d)

Distribution

61.

Variables that are expressed as a whole and is countable.

a)

Discrete

b)

Continuous

c)

Nominal

d)

Ordinal

62.

Which of the following best describes the continuous variable?

a)

Expressed as a whole

b)

Countable

c)

weight

d)

Uncountable

63.

It is the list of all possible outcomes.

a)

probability distribution

b)

disctrete variable

c)

possible outcomes

d)

sample space

64.

It is the most appearing number.

a)

mean

b)

mode

c)

median

d)

variance

65.

Process of collecting, analyzing, interpreting and presenting data.

a)

probability

b)

statistics

c)

variable

d)

none of the above

66.
Gabe took a survey of students in his school to see how many have a pet.  He surveyed 48 students, and 30 said they have a pet.   Based on Gabe’s survey, if there are 600 students in his school, he might expect ____ of them to have a pet.
a)
375
b)
96
c)
160
d)
348
67.
Morgan rolled a number cube 20 times.  The cube landed on the number 6 five times.  What is the experimental probability that Morgan will roll a number 6 the next time she rolls the number cube?
a)
3/10
b)
1/4
c)
1/6
d)
1/5
68.
Gabby conducted an experiment with a spinner.  Based on this data, how many times can she expect to spin a 2 in the next 25 spins?
a)
24
b)
6
c)
12
d)
14
69.
Ms. Sajewski surveyed her students on the number of book they read last summer. Which is NOT true?
a)
The mode number of books read is one
b)
The median number of books read is 1.5
c)
Ms. Sajewski surveyed 20 students
d)
The mean number of books read is 3.25
70.
Cole spun the spinner twice. What’s the probability of the spinner landing on the 3 twice in a row?
a)
1/4
b)
1/36
c)
1/6
d)
2/3
71.
A survey asked middle school students which of four intermural sports they would most like to have at their school.  What is the size of the sample?
a)
90
b)
16
c)
34
d)
80
72.
A survey asked middle school students which of four intermural sports they would most like to have at their school.  The results are shown in the table.  If there are 750 students in the school, how many students would you predict to choose flag football?
a)
150
b)
42
c)
142
d)
118
73.
The graph compares Homework Time versus TV Time for a group of high school students.What is the interquartile range of homework time?
a)
40 minutes
b)
190 minutes
c)
28 minutes
d)
12 minutes
74.
The graph compares Homework Time versus TV Time for a group of high school students. Which statement is NOT true?
a)
The median for TV Time is the same as the 3rd quartile for Homework Time
b)
The median minutes for Homework Time is 12 less than the median minutes for TV Time
c)
75% of those surveyed watched TV for at least 15 minutes
d)
1/4 of students spent at least 20 minutes on homework
75.
Sama tracked the hours of sleep that she got over the course of a week: 10, 9, 7, 9, 9, 7, 6    Which is a reasonable prediction of the mean number of hours of sleep that Sama gets in a night?
a)
7
b)
8
c)
9
d)
10
76.
Sarah is planning to survey people at Waldameer to determine the most popular ride at the park.  Which would be the best sample for her survey to draw a valid inference?
a)
Every 5th person in line for the Wacky Shack
b)
Every person waiting in line for the train
c)
Every 15th person entering the park
d)
Every 10th person that exits the Comet
77.
The stem-and-leaf plots show the scores of two classes on the Chapter 6 Test. 
Which statement about the medians is true?
a)
Class A and Class B share the same median
b)
Class A's median is 3.5 points lower than Class B's median
c)
Class A's median is 4.5 points lower than Class B's median
d)
Class A's median is 6.5 points lower than Class B's median
78.
The stem-and-leaf plots show the scores of two classes on the Chapter 6 Test. 
Which statement about the data is NOT true?
a)
The mode of Class A is 78
b)
The range of Class B is higher than the range of Class A
c)
Class A's mean is 79
d)
The mode of Class B is 95
79.
The box-and-whisker plot compares test scores between 1st Period and 2nd Period.  Which statement is NOT true?
a)
The median for 1st Period is the same as the 1st quartile for 2nd Period
b)
The range of 1st Period is greater than the range of 2nd Period
c)
75% of students in 2nd Period scored 80 or better
d)
75% of students in 1st Period scored a 75 or less
80.
The box-and-whisker plot compares test scores between 1st Period and 2nd Period.  Which statement is NOT true?
a)
The 3rd quartile for 1st Period is 90
b)
The interquartile range for 1st Period is 15
c)
50% of students in 2nd Period scored an 85 or higher
d)
The range for 2nd Period is 11
81.
How many students received a score in the 80s?
a)
2
b)
10
c)
14
d)
27
82.
What is the mean of this data? If necessary, round to the nearest whole number.
a)
86
b)
85
c)
90
d)
80 and 90
83.
On a 6-sided die, which is more likely?
a)
Rolling an odd number
b)
Rolling an even number
c)
They are both equally likely.
84.
a)
A
b)
B
c)
C
d)
D
85.
Which statement below is true?
a)
The theoretical probability of rolling a 3 is greater than the experimental probability of rolling a 3
b)
The theoretical probability of rolling a 3 is less than the experimental probability of rolling a 3
c)
The theoretical probability of rolling a 3 is equal to the experimental probability of rolling a 3
d)
You cannot determine the theoretical probability.
86.

Identify whether the experiment involves a discrete or a continuous random variable.


Rotating a spinner that has 4 equally divided parts: blue, green, yellow, and red

a)

Discrete Random Variable

b)

Continuous Random Variable

87.

Identify whether the experiment involves a discrete or a continuous random variable.


Collecting data about the mileage per liter of a certain brand and model of a car

a)

Discrete Random Variable

b)

Continuous Random Variable

88.

Identify whether the experiment involves a discrete or a continuous random variable.


tossing a pair of fair coins

a)

Discrete Random Variable

b)

Continuous Random Variable

89.

Identify whether the experiment involves a discrete or a continuous random variable.


Recording the number of points scored by a NBA team in each game of the 2018 season

a)

Discrete Random Variable

b)

Continuous Random Variable

90.

Identify whether the experiment involves a discrete or a continuous random variable.


Number of phone calls answered by a call center agent during his/her shift

a)

Discrete Random Variable

b)

Continuous Random Variable

91.

Identify whether the experiment involves a discrete or a continuous random variable.


Recording number of medals that the Philippine team won in each of the past 20 Olympic games

a)

Discrete Random Variable

b)

Continuous Random Variable

92.

Identify whether the experiment involves a discrete or a continuous random variable.


Measuring the distance travelled by different cars using 1-liter of gasoline

a)

Discrete Random Variable

b)

Continuous Random Variable

93.

Identify whether the experiment involves a discrete or a continuous random variable.


Measuring the length of time it takes before a dolphin surfaces in the ocean to breath

a)

Discrete Random Variable

b)

Continuous Random Variable

94.

Identify whether the experiment involves a discrete or a continuous random variable.


Recording the number of times each student goes to the bathroom in each school day

a)

Discrete Random Variable

b)

Continuous Random Variable

95.

Identify whether the experiment involves a discrete or a continuous random variable.


Tallying the number of times a student has been late during the 1st term

a)

Discrete Random Variable

b)

Continuous Random Variable

96.

Is this a probability distribution?

a)

No, the sum of p(x) does not equal 1.

b)

Yes, all p(x) are between 0 and 1.

c)

No, all p(x) are not between 0 and 1.

d)

Yes, the sum p(x) is 1.

97.

A discrete random variable X has the probability distributions shown in the table. Find the value of k.

a)

1/3

b)

7/12

c)

1/12

d)

1/4

98.

A discrete random variable X has the probability distribution shown in the table. Find P(1 < X ≤ 3).

a)

7/8

b)

1/2

c)

5/8

d)

3/8

99.

A discrete random variable X has the probability distribution shown in the table. Find P(X < 2).

a)

7/8

b)

1/2

c)

5/8

d)

3/8

100.

A discrete random variable X has the probability distribution shown in the table. Find P(X > 3).

a)

1

b)

7/8

c)

1/8

d)

0

101.

Let X be the number of heads obtained when tossing

a fair coin 3 times.

What are the possible values of X?

a)

0,1,2,3,

b)

1,2,3,

c)

0,1,2,3,4

d)

1,2,3,4

102.

It is the set of all possible outcomes in an experiment.

a)

Random Variable

b)

Sample Space

c)

Mean

d)

Data

103.

Two coins are tossed in an experiment. Which of the following list is the sample space?

a)

S= {HH, HT, TH, TT}

b)

S= {HH, TT}

c)

S= { HT, TH, TT}

d)

S= {HH, HT, TT}

104.

Supposed two coins are tossed consecutively and we are interested in the number of heads that will come out. Determine the values of the random variable H (number of heads).

a)

0,2,3,4

b)

0,1,2,3

c)

0,1,2

d)

0,1,2,3,4

105.

If you had no idea what the answer to this four option multiple choice was and took a wild guess, what is the probability that you are correct?

a)

1/4

b)

1/2

c)

3/4

d)

1

106.

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

a)

920\frac{9}{20}  

b)

12\frac{1}{2}  

c)

25\frac{2}{5}  

d)

34\frac{3}{4}  

e)

815\frac{8}{15}  

107.

A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

a)

27\frac{2}{7}  

b)

57\frac{5}{7}  

c)

1021\frac{10}{21}  

d)

1121\frac{11}{21}  

108.

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

a)

1115\frac{11}{15}  

b)

412\frac{4}{12}  

c)

13\frac{1}{3}  

d)

719\frac{7}{19}  

e)

821\frac{8}{21}  

109.

A fair coin is flipped three times. What is the probability of seeing heads exactly once?

a)

3/8

b)

1/8

c)

1/2

d)

1/6

110.

Find P(X = 2)

a)

5/36

b)

1/12

c)

1/36

d)

1/9

111.

Discrete variable is from qualities that can be

a)

Measured

b)

Counted

c)

Both A and B

d)

none of these

112.

Continuous variable is from qualities that can be

a)

Measured

b)

Counted

c)

Both A and B

d)

none of these

113.

Which of the following is NOT a continuous variable?

a)

A person’s height each year

b)

A person’s weight on each birthday

c)

Number of Cars finished in a factory each day

d)

The volume of water in a swimming pool

114.

Which of these is NOT a discrete variable?

a)

The number of students absent in a class

b)

The number of death per year attributed to lung cancer

c)

The average amount of electricity consumed per household

per month

d)

The number of people who drive through a red light each

hour during rush hour

115.

The number of avocado produced by an avocado tree each year is a continuous variable

a)

True

b)

False

c)

Maybe

d)

Cannot be determined

116.

If two coins are tossed, which is NOT a possible value of the random variable for the number of heads?

a)

0

b)

1

c)

2

d)

3

117.

Which of the following is NOT a true statement?

a)

The value of a random variable could be zero.

b)

Random variables can only have one value.

c)

The probability of all the value of a random variable could be zero.

d)

The sum of all the probabilities in a probability distribution is always equal to one.

118.

You decided to conduct a survey of families with two children. You are interested in counting the number of boys (out of 2 children) in each family. Is this a random variable? If it is, what are the possible values?

a)

Yes, it is a random variable and its value can be 1 or 2.

b)

Yes, it is a random variable and its value can be 0, 1 or 2.

c)

Yes, it is a random variable and its value can be 2 or 4.

d)

No, it is not a random variable since it is not random.

119.

In a local community, a couples were asked the questions “Are you satisfied with the work of the current president?” If the husband and the wife both said “yes”, the response is written as YY. If the husband said yes and the wife said “no”, the response is YN. Let X = the number of “yes” responses. , what are the possible values of the random variables?

a)

0, 1, 2

b)

1, 2, 3

c)

2, 3, 4

d)

1, 1, 2

120.

A quantity resulting from an experiment by chance, can assume a different values is called.

a)

Random Experiment

b)

Random Sample

c)

Random Variable

d)

Random process

121.

What is the sum of the probabilities of all values of the random variable?

a)

∑〖(P(X))〗=0∑〖(P(X))〗=0

b)

∑〖(P(X))〗=1/10∑〖(P(X))〗=1/10

c)

∑〖(P(X))〗=1∑〖(P(X))〗=1

d)

∑〖(P(X))〗=10∑〖(P(X))〗=10

122.

If two balls are drawn in succession without replacement from an urn containing 5 red balls and 6 blue balls. If the value of the random variable represents the number of blue balls. How many outcomes are possible?

a)

2

b)

4

c)

6

d)

8

123.

Which of the following cannot be the value of probability of the random variable?

a)

1.01

b)

0

c)

1/4

d)

1/2

124.

Which of the following can serve as the values of a probability distribution?

a)

P(1) = 0.42, P2) = 0.31, P(3)= 0.37

b)

P(1) = 9/14, P2) = 4/14, P(3)= 1/14

c)

P(1) = 0.08, P2) = 0.12, P(3)= 1.03

d)

P(1) = 10/33, P2) = 12/33, P(3)= 10/33

125.

If P(X) = X /6 , what are the possible values of X for it to be a probability distribution?

a)

0,2,3

b)

1,2,3

c)

2,3,4

d)

1,1,2

126.

One thousand tickets are sold for ₱10.00 each. One ticket will win ₱2,000.00, two tickets will win ₱1,000.00 each and four tickets will win ₱500.00 each. What is the probability of winning

any amount in the purchase of one ticket?

a)

1/10001/1000

b)

2/10002/1000

c)

5/10005/1000

d)

7/10007/1000

127.

A roulette wheel in a fiesta carnival has the numbers 1 through 50. If you bet ₱5.00, you will have a chance to win a kitchen utensil worth ₱200.00. How much the organizer will earn if 100games will be played?

a)

₱2,000.00

b)

₱3,000.00

c)

₱4,000.00

d)

₱5,000.00

128.

A life insurance company will sell a ₱500,000.00 five-year term life insurance policy exclusive for police enforcers for a premium of ₱1,000.00. Find the expected value to the company of a single policy if a police enforcer has a 99.95% chance of surviving five years?

a)

₱550.00

b)

₱650.00

c)

₱750.00

d)

₱850.00

129.

The total area under the standard normal curve is _________.

a)

-1

b)

0

c)

0.5

d)

1

130.

What is the shape of a Normal Probability Distributions?

a)

bar

b)

bell

c)

circle

d)

line

131.

Which part of a normal curve is extended indefinitely both directions along the horizontal axis, approaching but never touching it?

a)

center

b)

tail

c)

top

d)

spread

132.

Which of the following rule states that almost all data fall within the 1, 2 and 3 of standard deviation of mean when the population is normally distributed?

a)

empirical rule

b)

Pascal’s triangle rule

c)

Lottery rule

d)

Love rule

133.

If the average age of retirement for the population in the Philippines is 65 years and with standard deviation of 5 years, what is the approximate age range in which 68% of people retire?

a)

60 – 70 years

b)

55 – 65 years

c)

55 – 60 years

d)

60 -65 years

134.

What term refers to the body of knowledge that deals with the collection, organization, presentation and analysis of data?

a)

Statistics

b)

Trigonometry

c)

Algebra

d)

Probability

135.

Based on the research conducted by the DOH, “63 % of those found to have diabetes were not aware that they have such disease”. The statement above is an example of _____________.

a)

Inferential Statistics

b)

Individual Statistics

c)

Descriptive Statistics

d)

Differential Statistics

136.

Which is an example of qualitative data?

a)

age of a tree

b)

length of large intestines

c)

color of rainbow

d)

scores in a Mathematics quiz

137.

It is a technique by which data is presented in a paragraph form.

a)

Tabular

b)

Graphical

c)

Textual

138.
The possible results of an action
a)
odds
b)
experimental probability
c)
outcome
d)
probability
139.
If you spun the spinner 1 time, what is the probability it would land on a black piece?
a)
1 / 7
b)
2 / 7
c)
3 / 7
d)
4 / 7
140.
On a 6-sided die, which is more likely?
a)
Rolling an odd number
b)
Rolling an even number
c)
They are all equally likely.
d)
Rolling a prime number
141.
Which inference can be drawn based on the results?
a)
More students prefer football than basketball
b)
More students prefer soccer than football and basketball combined
c)
More students prefer basketball than soccer
d)
Most students prefer swimming
142.

One ball is drawn from each of the boxes shown. Find the probability that at most one blue ball is drawn.

a)

6027\frac{60}{27}  

b)

2960\frac{29}{60}  

c)

1460\frac{14}{60}  

d)

3027\frac{30}{27}  

143.

If 3 coins are tossed simultaneously, find the probability of getting exactly two tails.

a)

38\frac{3}{8}  

b)

23\frac{2}{3}  

c)

25\frac{2}{5}  

d)

13\frac{1}{3}  

144.

John flipped three coins, what is the probability of getting all tails

a)

1/2

b)

1/4

c)

1/8

d)

1/16

145.

If I toss a coin, what is the probability that I will get tails

a)

1/2

b)

1/4

c)

25%

d)

55%

146.

I have 2 dice, how many outcomes are possible if I roll the 2 dice together

a)

12

b)

6

c)

36

d)

24

147.

Suppose P(A)=0.37P\left(A\right)=0.37 , P(B)=0.41P\left(B\right)=0.41   and P(A∪B)=0.78P\left(A\cup B\right)=0.78 . Find P(A∩B)P\left(A\cap B\right) .

a)

0.37

b)

0

c)

0.78

d)

0.25

148.

One ball is drawn from each of the boxes shown. Find the probability that at most one blue ball is drawn.

a)

6027\frac{60}{27}  

b)

2960\frac{29}{60}  

c)

1460\frac{14}{60}  

d)

3027\frac{30}{27}  

149.
How many people watched more than 6 hours of TV?
a)
10
b)
5
c)
20
d)
17
150.
Emma is playing a spinning game using the spinner shown. She gets one spin and needs green to win. What's probability that she will NOT win?
a)
.25
b)
.75
c)
.70
d)
40
151.

What is the total area under the normal curve in a standard normal distribution?

a)

1

b)

2

c)

3

d)

4

152.

Where can we locate the mean in the normal curve?

a)

to the left portion

b)

to the right portion

c)

at the center

d)

on the z - axis

153.
A z-score tells you...
a)
the standard deviation of a sampling distribution.
b)
the original raw score on which it is based.
c)
if the distribution it comes from is normal.
d)
how many standard deviations away from the mean a score lies.
154.
Find the area under the standard normal curve to the right of z = -2.67.
a)
0.0869
b)
0.9962
c)
0.0008
d)
0.1234
155.
Find the area of the shaded region if the z-score is 0.75
a)
0.2266
b)
0.7734
c)
0.758
d)
0.242
156.

Which of the following graphs shows a normal curve?

a)
b)
c)
d)
157.
This data is normally distributed.  What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
158.
This data is normally distributed.  What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
159.
This data is normally distributed.  What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
160.
This data is normally distributed.  What percent of the data is in the shaded region?
a)
68%
b)

32%

c)
95%
d)
50%

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