3.69 The accompanying table shows proportions of computer salespeople classified according to marital status and whether they

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3.69 The accompanying table shows proportions of computer salespeople classified according to marital status and whether they left their jobs or stayed over a period of 1 year.

Time on job Marital Status Úone year 6 one year Married 0.64 0.13 Single 0.17 0.06

a. What is the probability that a randomly chosen salesperson was married?

b. What is the probability that a randomly chosen salesperson left the job within the year?

c. What is the probability that a randomly chosen single salesperson left the job within the year?

d. What is the probability that a randomly chosen salesperson who stayed in the job over the year was married?

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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