Question: 1) a) The average monthly car payment for a sample of 72 people who have a car loan is $392 with a standard deviation of

1) a) The average monthly car payment for a sample of 72 people who have a car loan is $392 with a standard deviation of $48. Construct a 90% confidence interval for the population mean monthly car payment for all people who have a car loan. Interpret your result

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