Question 803492
6. You are given the information that P(A) = 0.30 and P(B) = 0.40.
a) Do you have enough information to compute P(A or B) Explain.

b) If you know that events A and B are mutually exclusive, do you have enough information to compute P(A and B) Explain.

Answers:

a) We need to know also  P(A and B) , so we do not have enough information to 
compute P(A or B)

b)  Yes, if events A and B are mutually exclusive then P(A and B) = 0

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