11.5 OR and AND Problems

Question 1

Compound probability

Answer 1

Problems that contain the words or or and

Question 2

Addition formula

Answer 2

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

Question 3

Mutually exclusive

Answer 3

Possible for both events to occur simultaneously

Question 4

Multiplication formula for AND

Answer 4

P(A and B) = P(A) × P(B)

Question 5

Independent events

Answer 5

If the occurrence of either event in no way affects the probability of occurrence of the other event
Ex: rolling a dice and tossing a coin

Question 6

Dependent events

Answer 6

When the probability of the second event is affected by the first event