Probability Quiz

What is the formula for calculating the probability of a binomial event?

• P(x) = C(n, x) * p^x * (1-p)^(n+x)

• P(x) = C(n, x) * p^x + (1-p)^(n-x)

• P(x) = C(n, x) * p^x * (1-p)^(n-x)

• P(x) = C(n, x) * p^x * (1-p)^(n-x) + 1

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

A fair coin is tossed 5 times. What is the probability of getting exactly 3 heads?

• 0.625

• 0.25

• 0.3125

• 0.125

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

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

• 1/2

• 1/3

• 1/4

• 1/6

Tags

CCSS.7.SP.C.7A

A bag contains 5 red balls and 3 blue balls. If two balls are drawn without replacement, what is the probability of getting two blue balls?

• 2/5

• 3/28

• 5/14

• 1/4

In a binomial distribution, what is the probability of failure on each trial?

• probability of success

• probability of both success and failure

• probability of failure

• 1 - probability of success

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

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

• 5/8

• 3/8

• 1/2

• 1/4

Tags

CCSS.7.SP.C.7B

In a binomial distribution, what is the probability of success on each trial?

• q

• p

• s

• r

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

If the probability of Type A blood is only 0.15 at a a blood drive, what is the probability that exactly 2 out of the next 10 people that attend the drive will be Type A?

• 0.54

• 0.28

• 0.05

• 0.13

If the probability of Type A blood is only 0.15 at a a blood drive, what is the probability that no more than 3 out of the next 10 people that attend the drive will be Type A?

• 0.75

• 0.85

• 0.95

• 0.09

If the probability of Type A blood is only 0.15 at a a blood drive, what is the probability that the 10th person to attend the drive is the first person to be Type A?

• 0.03

• 0.08

• 0.005

• 0.99

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7