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Mathematics, 20.03.2020 04:41 jetblackcap

Suppose a clothing store wants to determine the current percentage of customers who are over the age of forty. How many customers should the company survey in order to be 92% confident that the estimated (sample) proportion is within 3 percentage points of the true population proportion of customers who are over the age of forty?

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Suppose a clothing store wants to determine the current percentage of customers who are over the age...
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