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Checking accounts at a certain bank have a mean balance of $664.14 and a standard deviation...

Checking accounts at a certain bank have a mean balance of $664.14 and a standard deviation of $297.29. If a random sample of 34 accounts is selected, describe the sampling distribution of sample means.

μx=

σx=

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Answer #1

Here the mean =664.14

Sigma=297.29

n=34 so the sampling distribution of sample means will be normal by central limit theorem.

Where ux=664.14

Sigmax=297.29/sqrt(34)=50.9848

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