Mathematics, 04.04.2020 01:27 g23liyah01

In a random sample of 60 refrigerators, the mean repair cost was $150.00. Assume the population standard deviation is $15.50. Construct a 99% confidence interval for the population mean repair cost. Interpret the results.

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In a random sample of 60 refrigerators, the mean repair cost was $150.00. Assume the population stan...