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A survey was conducted to determine the amount of credit card debt incurred by students attending college in the United States. In a sample of18

A survey was conducted to determine the amount of credit card debt incurred by students attending college in the United States. In a sample of18 college students, the sample mean credit card debtis $4,250 with a standard deviation of $1,500.

Construct a 90% confidence interval for the true population mean of credit card debt of college students.

looking for the upper and lower bound?

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