Do most people pay their monthly bills online? ABA Bank Marketing and Sales (July-August 2015) reported that

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Do most people pay their monthly bills online? ABA Bank Marketing and Sales (July-August 2015) reported that 37% of U.S. customers pay their bills online using a personal computer. The table lists the different methods by which customers pay their monthly bills and associated probabilities. Consider the following two events:

A = {Customer does not pay monthly bills online.}

B = {Customer does not pay monthly bills with credit or debit card.}

Payment Method Probability Online via personal computer Write check Checking account withdrawal 37 22 .10 Debit card Cre

a. Find P(A).
b. Find P(B).
c. Find P(A ∩ B).
d. Use the additive law of probability to find P(AUB).

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Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9780134506593

13th Edition

Authors: James T. McClave, P. George Benson, Terry Sincich

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