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The manager of a bookstore with a coffee shop wants to know the proportion of customers that come into the store because of the coffee
The manager of a bookstore with a coffee shop wants to know the proportion of customers that come into the store because of the coffee shop. A random sample of 75 customers was polled. Use Sheet 2 of the Excel file linked above to calculate p^ and the 95% confidence interval.
p^=
Upper bound for 95% confidence interval =
Lower bound for 95% confidence interval =
The manager can say with 95% confidence that the true population proportion of the customers that come into the store because of the coffee shop is in the interval [000000000,000000000].
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