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Quiz A Lesson 26, 27, 29, 30, & 31

Total questions: 45

Worksheet time: 2hrs 26mins

Name
Class
Date
1.

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

a)

200 adults

b)

adults in the US

c)

75% of adults

2.

Clementine completes a report by asking 70 students across campus. She found that 48% of KVMS students do not wash their hands after using the bathroom. What is the sample size?

a)

48

b)

100

c)

70

d)

All KVMS students

3.

Aaliyah wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

a)

thirty students who are often tardy

b)

thirty students who are rarely tardy

c)

thirty of her friends

d)

thirty randomly selected students at school

4.
According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?
a)
85 adults
b)
340 adults
c)
500 adults
d)
425 adults
5.
Darrien surveys 60 of the actors theater class. He concludes that 8 out of 15 actors have previous acting experience. What is the sample size?
a)
60
b)
8
c)
15
d)
53
6.

Biased or Random?


John wants to find out what the favorite soda flavor is at Menifee County. He decides to ask all the students in Mr. Goldsmith's class as a sample group.

a)

Biased

b)

Random

7.

Biased or Random?


Audi wants to find out how students get to school at Menifee Elementary so she places the names of all students into a fish bowl and pulls out 50 so she can survey them.

a)

Biased

b)

Random

8.

Biased or Random?


Cassandra and Isabella want to determine the favorite subject of all students in the middle school. So they place every middle school student's name in a bucket and choose 30 to poll.

a)

Biased

b)

Random

9.

What is the likelihood you choose a 2 from the numbers 1-10?

a)

Impossible

b)

Unlikely

c)

Neither likely nor unlikely

d)

Likely

e)

Certain

10.

What is the likelihood you choose an even number from the numbers 1-10?

a)

Impossible

b)

Unlikely

c)

Neither likely nor unlikely

d)

Likely

e)

Certain

11.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
12.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

13.

Find the probability of rolling greater than a 2 on a single die.

a)
6/6
b)

2/3

c)

2/6

d)

1/2

14.

Find the probability of rolling an 8 on a single die.

a)
1/6
b)
7/6
c)
0
d)
7/7
15.
Probability can be between what two numbers?
a)
10 and 20
b)
0 and 100
c)
0 and 1
d)
All Numbers are possible
16.
What is the probability of spinning green or blue?
a)
0
b)
5/12
c)
1/2
d)
3/4
17.
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
18.

Lisa says the probability of the high school team winning the football game is 55%. Addison says the probability is 4/7. Who thinks the event is more likely, Lisa and Addison?

a)

Lisa

b)

Addison

c)

Neither

d)

Both

19.
P(not A) = 
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
20.

The chart below represents the number of marbles in a jar. P(green or yellow) = 

a)

21/38

b)

10/38

c)

11/38

21.
Find the experimental probability of spinning Letter Q.
a)
15/15
b)
3/10
c)
3/50
d)
7/10
22.
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
23.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
24.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
25.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
26.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
27.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a dime?

a)

2/11

b)
5/6
c)
1/3
d)
5
28.

What is the P( not purple) on this spinner?

a)

2/5

b)

1/5

c)

4/5

d)

3/5

29.

On this spinner, what is P(not A)?

a)

3/8

b)

4/8

c)

2/8

d)

5/8

30.
What is the probability of flipping heads on a coin?
a)
impossible
b)
unlikely
c)
as likely as unlikely
d)
likely
31.

What is the probability of an impossible event?

a)

10%

b)

0.0

c)

12\frac{1}{2}  

d)

0.75

32.

What is the probability of an event that is neither likely nor unlikely?

a)

78\frac{7}{8}  

b)

910\frac{9}{10}  

c)

12\frac{1}{2}  

d)

02\frac{0}{2}  

33.

What is the probability of an event that is neither likely nor unlikely? Select all that apply.

a)

50%

b)

12\frac{1}{2}  

c)

0.25

d)

14\frac{1}{4}  

e)

0.5

34.

Meaning of likelihood.

a)

Likelihood means the possibility of an event to occur

b)

Something that will happen

c)

An event that will certainly not happen

d)

unlikely

35.

What is the probability of roll a 10 on a dice?

a)

Certain

b)

Impossible

c)

More likely

d)

Less likely

e)

equally like

36.

There are 15 girls and 20 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?

a)

15/35

b)

4/7

c)

15/20

d)

8/15

37.
The spinner shown is spun. 
Find P(number less than 6).
a)
6/8 or 75%
b)
1/8 or 12.5%
c)
5/8 or 62.5%
d)
3/8 or 37.5%
38.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a penny?

a)

4/11

b)
5/6
c)
1/3
d)
5
39.

What is the probability of rolling a cube and having it land as a three or a six?

a)

1/3

b)
5/6
c)

2/3

d)
1/2
40.

12 ounce shampoo bottle lasts Mike 20 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

a)

30 weeks

b)
6 weeks
c)

24 weeks

d)
20 weeks
41.

The Bearcats made 6 out of 15 free throw shots during the first half of the game. Make an estimate of the number of free throws they will make if they have 40 free throw opportunities.

a)

16

b)

21

c)

24

d)

55

42.

The Bearcats made 6 out of 8 free throw shots during the first half of the game. Make an estimate of the number of free throws they will make if they have 20 free throw opportunities.

a)

15

b)

14

c)

27

d)

34

43.

14 months in a year

a)

Certain

b)

Impossible

c)

More likely

d)

Less likely

e)

equally like

44.
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%
45.

Based on the chart, what is the experimental probability of pulling a green marble?

a)

1/8

b)

8/25

c)

8/100

d)

7/8

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