The branch manager of a bank would like a quick estimate of the mean checking account balance of all checking account customers at their branch. A random sample of checking 45 account balances results in a average balance of$2,356and a standard deviation of $627.Calculate a 97% confidence interval for the mean checking account balance at this particular branch.

Round all your answers to two decimals.

Here is a link to theGeoGebra Probability Calculator(https://www.geogebra.org/classic#probability)

Make sure to answer the following questions

1.Identify the parameter (,,12p,12,matched pairs) you want to estimate

2.Identify the confidence level.

3.Check conditions.

4.Calculate the standard error, identify the test statistic, and build the confidence interval.

5.Interpret your result in the context of the problem.

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