A marketing research firm advises a new client that approximately 15% of all persons sent a sweepstakes
Question:
a. What is the probability that fewer than 1,430 of the mailings will be returned?
b. What is the probability that more than 1,600 of the mailings will be returned?
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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