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The First National Bank of Wilson has 680 checking account customers. A recent sample of 40...

The First National Bank of Wilson has 680 checking account customers. A recent sample of 40 of these customers showed 27 have a Visa card with the bank.


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

Math   Statistics-And-Probability   
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