Return to the credit card scenario of Exercise 12 (Section 2.2), and let C be the event
Question:
a. What is the probability that the selected student has at least one of the three types of cards?
b. What is the probability that the selected student has both a Visa card and a MasterCard but not an American Express card?
c. Calculate and interpret P(B | A) and also P(A | B).
d. If we learn that the selected student has an American Express card, what is the probability that she or he also has both a Visa card and a MasterCard?
e. Given that the selected student has an American Express card, what is the probability that she or he has at least one of the other two types of cards?
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a Apply the addition rule for three events PA B C 6 4 2 3 15 1 08 73 b PA B ...View the full answer
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Related Book For 
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
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