In a market study for Zellers, a researcher found that 70% of customers are repeat customers. If

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In a market study for Zellers, a researcher found that 70% of customers are repeat customers. If 12 customers are selected at random, find the probability of getting.

a. Exactly 9 of them are repeat customers

b. At least 9 of them are repeat customers

c. At most 9 of them are repeat customers

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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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Question Posted: Aug 26, 2013 07:04 AM

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In a market study for Zellers, a researcher found that 70% of customers are repeat customers. If

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A We have p 070 and n 12 Using binomial distribution ...View the full answer

Elementary Statistics

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