WorksheetsProb/Stat 1-3.2 review
Total questions: 89
Worksheet time: 6hrs 49mins
Name
Class
Date
1.
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
a)
1/9
b)
2/9
c)
5/21
d)
10/21
2.
A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?
a)
1/3
b)
1/7
c)
1/9
d)
1/12
3.
You pick a marble from this bag.
What is the probability you will choose either a black or white marble?
What is the probability you will choose either a black or white marble?
a)
3/5
b)
9/100
c)
1/10
d)
2/5
4.
P(not A) =
*Remember to simplify.*
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
5.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
6.
The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=
a)
1/8
b)
5/8
c)
7/8
d)
3/7
7.
What is the probability that the person picked will be a boy given they speak german?
a)
.7273
b)
.4
c)
.16
d)
.22
8.
What is the probability that a female is chosen given they like a Toyota?
a)
.525
b)
.4627
c)
.6774
d)
.3143
9.
What is the probability that they speak French given that they are a girl?
a)
2.14
b)
.24
c)
.4
d)
.8571
10.
What is the probability that a student plays an instrument?
a)
.55
b)
.5
c)
.45
d)
.4
11.
Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.
a)
3/20
b)
1/4
c)
3/31
d)
2/27
12.
A day in the year is randomly chosen. Given the day is in the month of December, what is the probability the day is the 25th? (December has 31 total days.)
a)
8.5%
b)
8.84%
c)
80.6%
d)
3.2%
13.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(1st orange then green)
a)
1/15
b)
2/15
c)
3/31
d)
1/5
14.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)
a)
2/9
b)
1/3
c)
1/2
d)
1/4
15.
There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. What is the probability that the coin is a nickle both times?
a)
36/169
b)
6/13
c)
5/16
d)
3/19
16.
A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. What is the probability that both pieces of fruit are apples.
a)
2/15
b)
3/17
c)
1/19
d)
6/21
17.
What percentage of the days that it rained, did they forecast no rain?
a)
About 20%
b)
About 18%
c)
About 14%
d)
About 12%
18.
A bag contains 5 red marbles and 4 pink marbles. A marble is randomly drawn and then replaced. What is the probability the first marble is pink and the second is red?
a)
26.9%
b)
24.7%
c)
20.0%
d)
5%
19.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
20.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
21.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
22.
Determine the likelihood of the following event:
Drawing a red card from a standard deck of cards
Drawing a red card from a standard deck of cards
a)
1/2
b)
13/52
c)
1/4
d)
4/52
23.
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
a)
3
b)
1/10
c)
3/10
d)
30%
24.
In a deck of cards, what is the likelihood of selecting an ace?
a)
impossible
b)
unlikely
c)
as likely as unlikely
d)
likely
25.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?
a)
2/7
b)
5/49
c)
5/7
d)
10/49
26.
What is the probability of drawing a black ace when drawing a card at random from a deck of 52 playing cards?
a)
1/50
b)
1/26
c)
2/39
d)
1/13
27.
You flip a nickel three times.
Find the probability that all flips will land on tails.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
28.
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
What is the probability you will roll a 4, then roll a number less than 3?
a)
1/36
b)
1/18
c)
1/9
d)
1/6
29.
What is the probability that a student plays on a sports team given they don't play an instrument?
a)
.7273
b)
.8
c)
.55
d)
.2222
30.
A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)
P(white, then purple, then black)
a)
1/36
b)
2/39
c)
5/41
d)
6/43
31.
An ice cream parlor has 6 different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?
a)
6
b)
48
c)
12
d)
24
32.
In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, not replacing it, and then picking a blue pen?
a)
1/2
b)
4/11
c)
1/10
d)
2/3
33.
A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, followed by a queen? Assume he does NOT put the jack back.
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)
a)
1/13
b)
4/663
c)
4/13
d)
1/104
34.
Each of the letters in MATHEMATICS are on separate cards, face down on a table. If you pick a card at random, and then another card without replacement what is the probability that both card will be a vowel?
a)
4/11
b)
16/121
c)
7/21
d)
6/55
35.
A bag contains ten black bows, twenty white bows, and 5 grey bows. If Ms. Sedlock picks one without looking, what is the probability she chooses a black, white, and grey bow? Assume she puts the bow back each time.
a)
8/343
b)
35/100
c)
4/257
d)
3/49
36.
Mrs. Mullins is using a random number generator to call students. It uses the numbers 1-30. What is the probability that it will pick the number 8 two times in a row?
a)
8/100
b)
1/15
c)
1/900
d)
1/8
37.
How many outfits can you make from a choice of 3 shirts, 2 pants and 4 pairs of shoes?
a)
9
b)
10
c)
32
d)
24
38.
You roll a six sided die. What is the probability of rolling an even number three times in a row?
a)
3/100
b)
1/2
c)
1/6
d)
1/8
39.
What is the probability of picking an ace out of a standard deck of cards after the following cards have already been picked?
King of Hearts
4 of Spades
Ace of Diamonds
7 of Hearts
Jack of Clubs
a)
4/52
b)
3/52
c)
3/47
d)
4/49
40.
Mrs. Trahan samples her class by selecting 5 girls and 7 boys. This type of sampling is called?
a)
Stratified
b)
Systematic
c)
Simple
d)
Cluster
41.
Mrs. Trahan samples her class by selecting every third person on her class list. Which type of sampling method is this?
a)
Simple
b)
Systematic
c)
Stratified
d)
Cluster
42.
Mrs. Trahan samples her class by selecting all students sitting at group 1 and group 5 in her classroom. This sampling technique is called?
a)
Simple
b)
Stratified
c)
Systematic
d)
Cluster
43.
Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.
a)
Systematic
b)
Simple
c)
Stratified
d)
Cluster
44.
Farmer Joe separates his apple tree farm into 10 regions. He counts the number of apples produced in just one of the regions and uses that estimate to predict the number of apples produced on the whole farm. This is _______ sampling.
a)
Simple
b)
Cluster
c)
Stratified
d)
Systematic
45.
Farmer Joe's apple tree farm is set up in 100 rows. He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm. This is _____________ sampling.
a)
Simple
b)
Stratified
c)
Cluster
d)
Systematic
46.
Farmer Joe separates his farm into 10 regions. He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm. This is _____________ sampling.
a)
Cluster
b)
Systematic
c)
Stratified
d)
Simple
47.
In order to use samples to estimate something from the population, the sample should be _________________ the population.
a)
exactly the same as
b)
nothing like
c)
representative of
d)
larger than
48.
When one examines the entire population instead of a subgroup of the population, this is called a ____________.
a)
Sampling
b)
Census
c)
Bias
49.
How many people have two or less books in their desk?
a)
4
b)
5
c)
6
d)
7
50.
Which bar graph is the same as the data in the circle graph if 20 people were surveyed?
a)
b)
c)
d)
51.
Twenty people were surveyed about their favorite color. The information is shown in the circle graph. Which bar graph shows the same information.
a)
b)
c)
d)
52.
How many students were greater than or equal to 60 inches tall?
a)
21
b)
11
c)
17
d)
6
53.
How many cities have temperatures between 70 degrees and 99 degrees?
a)
44
b)
34
c)
26
d)
62
54.
How many students are between 48 and 51 inches tall?
a)
14
b)
8
c)
2
d)
0
55.
How many students are between 60 and 63 inches tall?
a)
3
b)
0
c)
12
d)
7
56.
3, 3, 4, 6, 9 - What is the mode?
a)
3
b)
4
c)
6
d)
9
57.
Look at these numbers - 12, 14, 17, 8, 14. What is the correct way to put them in order so that you can find the median?
a)
17, 14, 14, 8, 12
b)
17, 14, 14, 12, 8
c)
8, 12, 14, 14, 17
d)
14, 8, 12, 17, 14
58.
The median is the __________________ number (after you put them in order).
a)
first
b)
middle
c)
last
d)
one you see most
59.
The mode is the number ________________________.
a)
you see most
b)
you see least
c)
you don't see
d)
you see first
60.
The range is found by finding the _______________ number and subtracting the ________________ number.
a)
smallest, biggest
b)
even, odd
c)
biggest, smallest
d)
middle, first
61.
The mean is found by ___________________ all of the numbers and then _____________________ by the number of items.
a)
adding, subtracting
b)
adding, multiplying
c)
dividing, adding
d)
adding, dividing
62.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
63.
Find the mean of these numbers:
5,11,2,12,4,2
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
64.
Find the range of these numbers:
15,2,3,7,8,4,3,2,16,2,4
15,2,3,7,8,4,3,2,16,2,4
a)
2
b)
13
c)
14
d)
7
65.
Median:
67, 74, 95, 98, 98, 99, 102
67, 74, 95, 98, 98, 99, 102
a)
102
b)
67
c)
98
d)
90.4
66.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
67.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
68.
What is the maximum value?
a)
58
b)
66
c)
64
d)
60
69.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
70.
What is the median?
a)
62
b)
58
c)
66
d)
60
71.
Which best represents the Interquartile Range
a)
15
b)
93
c)
85
d)
78
72.
Find the Median
a)
98
b)
93
c)
78
d)
85
73.
What is the range of the set of data?
a)
70
b)
65
c)
80
d)
55
74.
Which city has a higher median?
a)
Millersburg
b)
Arcadia
75.
Which box and whisker plot shows more "spread out" data?
a)
Top plot
b)
Bottom plot
76.
Which is NOT in the middle 50% of data values?
a)
17
b)
15
c)
21
d)
11
77.
If 44 values were used for the data, about how many data values are greater than the 1st quartile?
a)
11
b)
22
c)
33
d)
128
78.
About 50 % of the data values are greater than what value?
a)
12
b)
15
c)
22
d)
31
79.
Which value is in the top 25% of the data?
a)
16
b)
22
c)
29
d)
36
80.
What is the interquartile range of plot A?
a)
6
b)
8
c)
15
d)
28
81.
hair color of women on high school tennis team
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
82.
ages of students in a statistics class
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
83.
temperatures of 22 selected refrigerators
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
84.
number of milligrams of tar in 28 cigarettes
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
85.
marriage status of the faculty at the local community college
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
86.
list of 1247 social security numbers
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
87.
the ratings of a movie ranging from "poor" to "good" to "excellent"
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
88.
the final grades (A, B, C, D, or F) for students in a chemistry class
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
89.
the nationalities listed in a recent survey
a)
Nominal
b)
Ordinal
c)
Interval
d)
Ratio
100 %
