Probability and Odds

Front

An impossible event has a probability of _____?

Back

0

Front

What is P(A or B) if P(A) = 1/4 and P(B) = 1/2, where A and B are overlapping events and P(A and B) = 1/8?

Back

5/8

Front

A spinner has 8 equal sections numbered 1 to 8. What is the probability of the spinner stopping on a number that is a multiple of 3 or is greater than 5?

Back

1/2

Front

What is the probability of the arrow stopping on “J” or “A” on one spin?

Back

1/3

Front

The odds against a customer ordering dessert are 20:3. What is the probability of a customer ordering dessert?

Back

3/23

Front

Define probability.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the probability of a certain event?

Back

1 (or 100%)

Front

What is the probability of an impossible event?

Back

0 (or 0%)

Front

Explain the difference between independent and dependent events.

Back

Independent events do not affect each other's outcomes, while dependent events do.

Front

What are odds in favor of an event?

Back

Odds in favor are the ratio of the probability of the event occurring to the probability of it not occurring.