Confidence interval for the proportion of checking account

Reference no: EM1387450

The First National Bank of Wilson has 660 checking account customers. A recent sample of 60 of these customers showed 22 to have a Visa card with the bank.

Construct the 90 percent confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Round your answers to 3 decimal places.)

Reference no: EM1387450

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