Question: in a random his Question: 1 pt In a random sample of four mobile devices, the mean repair cost was $65.00 and the standard deviation

in a random

his Question: 1 pt In a random sample of four mobile devices, the mean repair cost was $65.00 and the standard deviation was $13.50. Assume the population is normally distributed and use a t-distribution to find the construct a 90% confidence interval for the population mean. Interpret the results. The 90% confidence interval for the population mean p is ( .[b. (Round to two decimal places as needed.) The margin of error is $ (Round to two decimal places as needed.) Interpret the results. Choose the correct answer below. Click to select your answer(s)

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