Quiz about 13.1 Probability Practice

Question 1

Probability is defined as...

Accepted Answer

the likelihood that an event will happen.

Answer

the set of all possible outcomes.

Answer

a tree diagram.

Answer

the fundamental counting principle.

Question 2

Probability can be written as ...

Accepted Answer

all of the above

Answer

a fraction

Answer

a decimal

Answer

a percent

Question 3

Possible results of an experiment are called . . .

Accepted Answer

outcomes

Answer

trials

Answer

likelihoods

Answer

favorable answers

Question 4

What is sample space?

Accepted Answer

a list of all possible outcomes of an event

Answer

a process with an uncertain result

Answer

a possible result of an action

Answer

a single outcome or group of outcomes

Question 5

What is the probability of an event that is certain to happen?

Accepted Answer

1

Answer

0

Answer

.5

Answer

.75

Question 6

What is the probability of an event that is impossible?

Accepted Answer

0

Answer

1

Answer

0.5

Answer

0.25

Question 7

What is the probability of flipping a coin and getting tails?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

Never, Tails never fails.

Question 8

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

Accepted Answer

5/11

Answer

5/6

Answer

1/3

Answer

5

Question 9

The chance it will rain today is 30%. What is the chance that it will NOT rain?

Accepted Answer

70%

Answer

30%

Answer

100%

Answer

0%

Question 10

What is the probability of spinning an even number?

Accepted Answer

1/2

Answer

1/6

Answer

1/3

Answer

3/4

Question 11

Is the spinner more likely or less likely to land on green than yellow?

Accepted Answer

more likely

Answer

less likely

Question 12

What is the probability of the spinner landing on red?

Accepted Answer

5/12

Answer

1/5

Answer

5/5

Answer

3/5

Question 13

What is the probability that a student plays an instrument?

Accepted Answer

.55

Answer

.5

Answer

.45

Answer

.4

Question 14

What is the probability that a student plays an instrument and plays on a team sport?

Accepted Answer

0.40

Answer

0.55

Answer

0.50

Answer

0.45

Question 15

How many total outfit options are represented?

Accepted Answer

12

Answer

22

Answer

3

Question 16

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

Accepted Answer

12

Answer

2

Answer

6

Answer

24

Question 17

Which shows the sample space for flipping two coins?

Accepted Answer

HH, HT, TH, TT

Answer

H, T

Answer

HH, TT

Answer

Dime, Nickel

Question 18

The cafeteria is serving three kinds of sandwiches: tuna, chicken, and peanut butter. They are also serving a choice of two drinks: milk or water. They are packing little bag lunches with a sandwich and a drink. If there is one bag of each possible sandwich & drink combo, what is the probability that you grab a bag that has a tuna sandwich in the bag?

Accepted Answer

1/3

Answer

1/2

Answer

1/5

Answer

2/3

Question 19

Action: Spin the spinner.

What is the sample space?

Accepted Answer

A, B, C, E, F

Answer

A, A, B, C, E, E, E, F

Answer

5 letters

Answer

8 sections

Question 20

List the possible outcomes in the sample space for flipping a coin.

Accepted Answer

heads, tails

Answer

heads

Answer

tails

Answer

1,2,3,4,5,6

Question 21

Based on the tree diagram, what is the probability of eating a salad with juice?

Accepted Answer

1/4

Answer

1/12

Answer

1/2

Answer

1/3

Question 22

What percentage of students have red hair?

Accepted Answer

7.5%

Answer

20%

Answer

5.0%

Answer

2.5%

Question 23

What percentage of girls have blonde hair?

Accepted Answer

30%

Answer

32%

Answer

29%

Answer

40%

Question 24

You pick one card from a standard deck of 52 cards. What is the probability that you pick an eight?

Accepted Answer

1/13

Answer

1/2

Answer

3/13

Answer

4/13

Question 25

You pick one card from a standard deck of 52 cards. What is the probability that you pick a face card?

Accepted Answer

3/13

Answer

1/2

Answer

1/13

Answer

4/13

Question 26

You pick one card from a standard deck of 52 cards. What is the probability that you pick a card that is a red ten?

Accepted Answer

1/26

Answer

1/2

Answer

1/13

Answer

1/4

Question 27

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry candies. What is the probability of drawing a grape candy?

Accepted Answer

1/2

Answer

15

Answer

1/30

Answer

1/3

Question 28

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry candies. What is the probability of drawing a lemon candy?

Accepted Answer

1/10

Answer

3

Answer

3/10

Answer

3/4

Answer

1/4

Question 29

Based on the tree diagram, what is the probability of eating fries?

Accepted Answer

1/2

Answer

1/12

Answer

1/3

Answer

1/4

Question 30

A regular 6-sided die is to be rolled once. What is the probability that a number less than or equal to 4 is rolled?

Accepted Answer

2/3

Answer

1/2

Answer

1/4

Answer

5/6

Question 31

A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?

Accepted Answer

1

Answer

1/8

Answer

1/2

Answer

3/8

Question 32

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

Accepted Answer

2/15

Answer

1/2

Answer

1/7

Answer

2/17

Question 33

Sarah, Sammie, Victor, Vicki, and Valerie are in math group. Two students are randomly picked to be the co-leaders. What is the probability that the students picked were Sammie and Victor?

Accepted Answer

1/10

Answer

1/25

Answer

2/5

Answer

1/20

Question 34

You flip a nickel three times.
Find the probability that all flips will land on tails.

Accepted Answer

1/8

Answer

1/2

Answer

1/4

Answer

1/6

13.1 Probability Practice

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