probality

What is the theoretical probability of rolling a 5 on a fair six-sided die?

• 1/6

• 1/4

• 1/3

• 1/2

Tags

CCSS.7.SP.C.7A

If the probability of event A is 0.4 and the probability of event B is 0.3, what is the probability of both events A and B occurring?

• 0.34

• 0.1

• 0.7

• 0.12

If the probability of event A is 0.6 and the probability of event B is 0.5, what is the probability of either event A or event B occurring?

• 0.3

• 0.2

• 1.1

• 0.9

Tags

CCSS.HSS.CP.B.7

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble?

• 4/10

• 2/10

• 3/10

• 1/5

Tags

CCSS.7.SP.C.7B

If the probability of event A is 0.2 and the probability of event B is 0.6, and A and B are independent events, what is the probability of both events A and B occurring?

• 0.8

• 0.4

• 0.12

• 0.02

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

If the probability of event A is 0.7 and the probability of event B is 0.4, and A and B are independent events, what is the probability of either event A or event B occurring?

• 0.9

• 1.1

• 0.3

• 0.2

Tags

CCSS.HSS.CP.B.7

A spinner is divided into 8 equal sections, numbered 1 through 8. What is the probability of the spinner landing on an even number?

• 1/4

• 1/2

• 3/8

• 2/3

Tags

CCSS.7.SP.C.7A

If the probability of event A is 0.3 and the probability of event B is 0.5, what is the probability of event A not occurring?

• 0.8

• 0.5

• 0.3

• 0.7

Tags

CCSS.7.SP.C.5

A box contains 4 red balls, 5 blue balls, and 3 green balls. What is the probability of randomly selecting a red or green ball?

• 5/12

• 7/12

• 3/4

• 2/3

Tags

CCSS.HSS.CP.B.7

If the probability of event A is 0.8 and the probability of event B is 0.2, and A and B are independent events, what is the probability of event A occurring and event B not occurring?

• 0.50

• 0.30

• 0.64

• 0.10