Mathematics, 25.04.2021 02:10, alexscott

A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A random sample of the credit card debt of 20 residents in that town has a mean credit card debt of $3619 and a standard deviation of $391. At α=0.10, can the credit agency’s claim be supported, assuming this is a normally distributed data set?

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A credit reporting agency claims that the mean credit card debt in a town is greater than $3500. A r...