AP Stats Ch5 Test MC Section

Front

What is the probability of flipping 10 coins that all land on tails?

Back

1/1024

Front

If you buy one ticket in the Provincial Lottery with a winning probability of 0.11, what is the probability of winning at least one prize after buying tickets for five months?

Back

0.44

Front

If 22% of households own a cat, 16% own a dog, and 12% own both, what is the probability that a household with a dog also has a cat?

Back

0.75

Front

What is the probability that a randomly selected student is a freshman or likes pizza?

Back

27/50

Front

What is the probability that a randomly selected dessert has peanut butter in it?

Back

0.59

Front

Define independent events in probability.

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.

Front

What is the formula for calculating the probability of the union of two events A and B?

Back

P(A or B) = P(A) + P(B) - P(A and B)

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain and will definitely occur.

Front

Explain the concept of conditional probability.

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.