A simple random sample of 100 random checks shows a cents portion with a mean of 23.8 and a standard deviation of 32.0. A simple random sample of 100

A simple random sample of 100 random checks shows a cents portion with a mean of 23.8 and a standard deviation of 32.0. A simple random sample of 100 credit card charges shows a mean of 47.6 cents and a standard deviation of 33.5 cents. Use a .05 significance level to test that the cents portions of checks have a mean that is less than the mean of the cents portions of the credit card charges.

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