Consider the following information: where A = {Visa Card}, B = {MasterCard}, P(A) = .45, P(B) = .35, and P(A ∩ B) = .20. Calculate each of the following probabilities (express your final answers to 3 decimal places). •       P(A | B) •       P(A′ | B) •       Given that an individual is selected at random and that he or she has at least one card, what is the probability that he or she has a MasterCard?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Consider the following information: where A = {Visa Card}, B = {MasterCard}, P(A) = .45, P(B) = .35, and P(A ∩ B) = .20. Calculate each of the following probabilities (express your final answers to 3 decimal places).
•       P(A | B)
•       P(A′ | B)
•       Given that an individual is selected at random and that he or she has at least one card, what is the probability that he or she has a MasterCard?

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