If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is:
A) .80
B) .40
C) .32
D) 1.20

Name: If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is: A) .80 B) .40 C) .32 D) 1.20
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Question

Quizplus · Accepted Answer

The joint probability of A and B is given by P(A) * P(B|A), which is equal to .8 * .4 = .32. Therefore, the best choice is C.

If a and B Are Any Two Events with P(A)