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The First National Bank of Wilson has 700 checking account customers. A recent sample of 70 of these customers showed 23 have a Visa card

The First National Bank of Wilson has 700 checking account customers. A recent sample of 70 of these customers showed 23 have a Visa card with the bank. (Use t Distribution Table & z Distribution Table.) Required: a. What is the margin of error for a 95% confidence interval for the population proportion? (Round your answer to 3 decimal places.)

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