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L. ANAPA Auto Parts supplier wants information about how long car owners plan to keep their cars. random sample of 41 car owners results in

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L. ANAPA Auto Parts supplier wants information about how long car owners plan to keep their cars. random sample of 41 car owners results in a mean of 7 years with a standard deviation of 3.75 years. Find a 95% confidence interval for the true population mean. Identify the point estimate for mean and margin of error

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