SOLUTION: 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 mutual

Algebra ->  Probability-and-statistics -> SOLUTION: 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 mutual      Log On


   

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.
Answer by oscargut(2103) About Me  (Show Source):
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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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