Statistics and Probability Ch.5

Roll a fair die. The probability of rolling an even number is 1/2.

Understanding probability means you can always win at games of chance.

If an event is one of two athletic teams winning (not tying), the events are mutually exclusive.

Two events are independent if knowledge of one happening does NOT impact the probability of the second one happening.

Roll a fair die. What is the probability that a "4" is rolled?

If the probability of an event is 0, the event is certain to happen.

P(A and B) =

Which of the following are mutually exclusive events?

Mutually exclusive events cannot both happen.

Roll a fair die. The probability of rolling a "2" or a "3" is 2/6 or 1/3

Probabilities are always between and including 0 and 1.

Probability is fun.

If the probability of an event is 1, the event cannot happen.

Roll a fair die. Event A = getting an odd number. P(A) =

If P(A) =P(A given B)