A Local Bank Needs Information Concerning the Checking Account Balances

question 53

Multiple Choice

A local bank needs information concerning the checking account balances of its local customers.A random sample of 144 accounts was checked and yielded a mean balance of $664.14 and a standard deviation of $297.29.Find a 98% confidence interval for the true mean checking account balance for local customers.

• A)($592.52,$735.76)
• B)($605.85,$722.43)
• C)($555.65,$735.76)
• D)($493.71,$834.57)
• E)($453.56,$874.72)

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