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Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample oF 34
Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample oF 34
customers paid an average fee of $12.29per month on their interest-bearing checking accounts. Assume the population standard deviation is $1.63.
Complete parts a and b below.
The 90% confidence interval has a lower limit of
and an upper limit of
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