Question: Please see attached document for the questions 5. From a sample of 400 of its customers, DELITE DONUTS finds that 17% prefer chocolate donuts. Using

Please see attached document for the questions

Please see attached document for the questions 5.
5. From a sample of 400 of its customers, DELITE DONUTS finds that 17% prefer chocolate donuts. Using a 95% level of confidence, estimate the proportion of all customers who prefer chocolate donuts. 6. FORTUNE FINANCING wants to estimate the average account balances of its customers to within $50 with 99% confidence. The population standard deviation is $250. How many accounts should be included in the sample? 7. How many students should be sampled to determine the percentage of female students to within a 3% error at a 95% level of confidence

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