AP Statistics Probability quiz

If two events are mutually exclusive, what is the probability of both events occurring?

• 0.25

• 0

• 1

• 0.5

What is the formula for conditional probability?

• P(A|B) = P(A) / P(B)

• P(A|B) = P(A) + P(B)

• P(A|B) = P(A) * P(B)

• P(A|B) = P(A ∩ B) / P(B)

What is the probability the dessert has peanut butter in it?

• 0.84

• 0.58

• 0.22

• 0.59

How many students have a foreign language?

• 14
• 37
• 23
• 24

If P(A) = 0.6 and P(B) = 0.5, what is P(A and B) if A and B are independent events?

• 0.1

• 1.1

• 0.9

• 0.3

What is the sample space for rolling a fair six-sided die?

• 1, 2, 3, 4, 5, 6

• Red, Blue, Green, Yellow, Orange, Purple

• A, B, C, D, E, F

• Monday, Tuesday, Wednesday, Thursday, Friday, Saturday

What is the definition of mutually exclusive events in probability?

• Events that cannot occur at the same time

• Events that have no relation to each other

• Events that are completely random

• Events that always occur together

If P(A) = 0.4 and P(B) = 0.3, what is P(A or B) using the general addition rule?

• 0.7

• 1.0

• 0.5

• 0.2

What is the probability that a randomly selected student plays sports given that they do not do community service?

What is the probability that a student plays sports given that they do community service?