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A bank has 820 accounts The manager took a random sample of 60 of these accounts. The sample mean was $127.43 and the sample standard deviation was $43 27 Find a 90% confidence interval for the

A bank has 820 accounts. The manager took a random sample of 60 of these accounts. The sample mean was $127.43, and the sample standard deviation was $43.27. Find a 90% confidence interval for the population mean and a 95% confidence interval for the total amount of these accounts. (Note: you are given the population size N from which we are sampling; so this is finite sample problem.)

 

Apr 21 2020 View more View Less

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