Mathematics, 11.11.2020 17:50 castor1358

Refrigerators in a random sample of 55 refrigerators, the mean repair cost was $150.00 and the standard deviation was $15.50. Construct a 90% confidence interval for the population mean repair cost. Interpret the results.

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Refrigerators in a random sample of 55 refrigerators, the mean repair cost was $150.00 and the stand...