Suppose that among 24,839 customers of a certain company,
Chapter 7, Problem 7.7.12(choose chapter or problem)
Suppose that among 24,839 customers of a certain company, exactly 11,842 feel very satised with the service they received. In order to estimate the satisfaction levels of the customers, a manager contacts a random sample of 80 of these customers and nds out how many of them were very satised. What is the probability that the managers estimate of the proportion of very satised customers in this group is within 0.10 of the true value?
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