3.34 You are 1 of 7 female candidates auditioning for 2 partsthe heroine and her best friendin...

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3.34 You are 1 of 7 female candidates auditioning for 2 parts—the heroine and her best friend—in a play.

Before the auditions you know nothing of the other candidates, and you assume all candidates have equal chances for the parts.

a. How many distinct choices are possible for casting the two parts?

b. In how many of the possibilities in part

(a) would you be chosen to play the heroine?

c. In how many of the possibilities in part

(a) would you be chosen to play the best friend?

d. Use the results in parts

(a) and

(b) to find the probability that you will be chosen to play the heroine. Indicate a more direct way of finding this probability.

e. Use the results in parts (a), (b), and

(c) to find the probability that you will be chosen to play 1 of the 2 parts. Indicate a more direct way of finding this probability.

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Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9780273767060

8th Global Edition

Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne

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