Quiz about Basic Probability (Math 612)

Question 1

What is the probability of spinning green?

Accepted Answer

1/4

Answer

0

Answer

1/2

Answer

3/4

Question 2

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

Accepted Answer

5/19

Answer

10/28

Answer

5/14

Question 3

How do you write 0.02 as a percent?

Accepted Answer

2%

Answer

20%

Answer

200%

Answer

.02%

Question 4

Find the experimental probability of spinning Letter Q.

Accepted Answer

3/10

Answer

15/15

Answer

3/50

Answer

7/10

Question 5

The theoretical probability of rolling an even number on a dice.

Accepted Answer

1/2

Answer

3/6

Answer

1/6

Answer

5/6

Question 6

The odds of an event happening are 3:8. What are the odds it does not happen?

Accepted Answer

8:3

Answer

3:11

Answer

11:3

Answer

8:11

Question 7

What is probability?

Accepted Answer

All of the choices are true.

Answer

A number between zero and one

Answer

The chance or the likelihood of an event happening

Answer

The favorable outcomes divided by all the possible outcomes.

Question 8

What are the odds in favor of randomly selecting a dime from a dish containing 11 pennies, 6 nickels, 5 dimes, and 3 quarters?

Accepted Answer

1:4

Answer

4:1

Answer

1:5

Answer

5:1

Question 9

Review: A list of all possible outcomes of a trial is called the ___________ of that trial.

Accepted Answer

sample space

Answer

experiment

Answer

Event

Answer

range

Question 10

What are the odds in favor of spinning red?

Accepted Answer

5:7

Answer

7:5

Answer

5:12

Answer

3:12

Question 11

What are the odds against spinning green?

Accepted Answer

3:1

Answer

9:12

Answer

1:3

Answer

4:3

Question 12

The mathematical calculation that an event will happen in theory.

Accepted Answer

Theoretical Probability

Answer

Simple Event

Answer

Simulation

Answer

Tree Diagram

Question 13

All of the possible results of an event are called....

Accepted Answer

Outcomes

Answer

favorable outcomes

Answer

events

Answer

experiments

Question 14

Probabilities are always between...

Accepted Answer

0 & 1

Answer

0 & 1000

Answer

1 & 100

Answer

2 & 1

Question 15

If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown

Accepted Answer

4/13

Answer

8/26

Answer

8/25

Answer

1/3

Question 16

The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.

Accepted Answer

True

Answer

False

Question 17

Probability is ...

Accepted Answer

the chance that some event will occur.

Answer

a game that involves coins.

Answer

a guarantee.

Question 18

A number is randomly selected from 0-10. What is the probability the number selected is greater than 5?

Accepted Answer

5/11

Answer

1/2

Answer

3/5

Answer

2/5

Question 19

Find the probability of flipping a heads on a coin, and then getting the color yellow on a spinner with 6 colors.

Accepted Answer

1/12

Answer

2/9

Answer

3/7

Answer

7/19

Question 20

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll?

Accepted Answer

1/9

Answer

2/3

Answer

5/36

Answer

1/36

Question 21

A fruit basket contains 9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?

Accepted Answer

1/30

Answer

9/49

Answer

4/125

Answer

1/10

Question 22

Clara picks a marble at random, puts it back, and then picks another marble at random.

Accepted Answer

Independent

Answer

Dependent

Question 23

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

Accepted Answer

Dependent

Answer

Independent

Question 24

Find the probability of flipping a heads on a coin, and then getting the color yellow on a spinner with 6 colors.

Accepted Answer

1/12

Answer

2/9

Answer

3/7

Answer

7/19

Question 25

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow.

Accepted Answer

6/121

Answer

4/121

Answer

8/121

Answer

3/121

Question 26

Three fair coins are flipped at the same time. What is the probability that all three will be display heads?

Accepted Answer

1/8

Answer

1/3

Answer

1/4

Answer

1/2

Answer

1/6

Question 27

What is an event that will happen or has a probability of 1?

Accepted Answer

certain

Answer

theoretical

Answer

probability

Answer

mutually exclusive

Question 28

a situation involving doing the activity that leads to results or outcomes.

Accepted Answer

experimental

Answer

complement

Answer

outcome

Answer

dependent

Question 29

The measure of the likelihood that an event will occur. The chance that an event will happen. A ratio of chance/all chances.

Accepted Answer

probability

Answer

odds

Answer

outcomes

Answer

tree diagram

Question 30

Possible results of an event

Accepted Answer

outcomes

Answer

compound event

Answer

simple event

Answer

probability

Question 31

The probability of an event is written as P(event).

Accepted Answer

True

Answer

False

Question 32

A ________ consists of 2 or more events.

Accepted Answer

compound event

Answer

single event

Answer

prediction

Answer

experiment

Question 33

Identify the following scenario as experimental or theoretical:

Samantha flips a coin 10 times and the result is heads 7 times. She concludes that the probability of getting heads must be 7/10

Accepted Answer

Experimental

Answer

Theoretical

Question 34

the outcome of the first event affects the outcome of the second event

Accepted Answer

dependent

Answer

equally

Answer

independent

Answer

certain

Question 35

In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor?

Accepted Answer

288

Answer

144

Answer

162

Answer

225

Question 36

The table shows the number of votes for different school mascots. Based on the information in the table, what is the most reasonable prediction of the number of votes for eagle out of the next 25 votes?

Accepted Answer

8

Answer

72

Answer

1

Answer

21

Question 37

P(not A) =
*Remember to simplify.*

Accepted Answer

3/4

Answer

6/8

Answer

2/8

Answer

1/4

Question 38

These 12 shapes are put into a bag. What is the probablity of reaching into the bag without looking and pulling out a square, NOT replacing the square and pulling out a second square?

Accepted Answer

1/11

Answer

1/9

Answer

1/3

Question 39

If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile?

Accepted Answer

5/9

Answer

4/9

Answer

1/2

Answer

1/9

Question 40

This game board is made up of concentric circles. The center circle has a diameter of 4 inches. Each successive ring has a radius 2 inches greater than the ring before. Find the probability of scoring 80 points.

Accepted Answer

1/3

Answer

2/3

Answer

3/4

Answer

1/4

Question 41

Find the geometric probability of a marble falling on the shaded region of the figure.

Accepted Answer

21.5%

Answer

15.3%

Answer

24.5%

Answer

26.9%

Question 42

Find the probability that a randomly chosen point in the figure lies in the shaded region.

Accepted Answer

80%

Answer

94.8%

Answer

60%

Answer

45.6%

Question 43

Find the probability that a randomly chosen point in the figure lies in the shaded region.

Accepted Answer

47.6%

Answer

52.3%

Answer

51.4%

Answer

45.7%

Question 44

Which is the best way to simulate choosing one student out of 12 to be the class president?

Accepted Answer

roll a die and flip a coin

Answer

roll a die

Answer

spin a spinner with 4 sections

Answer

flip a coin

Question 45

Layla has 2 pairs of shoes and 6 pairs of socks. If each pair of socks and each pair of shoes is equally like to be chosen, which is the best simulation to show the probability of choosing any given combination?

Accepted Answer

roll a die and flip a coin

Answer

roll a die two times

Answer

flip a coin 6 times

Answer

flip a coin 2 times

Question 46

A dice was rolled five times and the following were rolled: 1, 3, 3, 4, 4

Based on this information, find the experimental P(1).

Accepted Answer

1/5

Answer

3/5

Answer

1/6

Answer

2/5

Question 47

Shannon has a bag of jelly beans.

5 Green

2 Red

3 Blue

What is the theoretical probability of her selecting a red jelly bean?

Accepted Answer

1/5

Answer

11/33

Answer

2/10

Answer

23/30

Question 48

What is the experimental probability of flipping a coin and it land on heads ? More than one answer can be correct

Accepted Answer

3/8

Accepted Answer

37.5%

Answer

1/2

Answer

50%

Answer

3.75%

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