Mathematics, 12.03.2021 14:40 hernandezeileen20
A supervisor records the repair cost for 17 randomly selected TVs. A sample mean of $94.57 and standard deviation of $20.65 are subsequently computed. Determine the 80% confidence interval for the mean repair cost for the TVs. Assume the population is approximately normal. Step 1 of 2: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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A supervisor records the repair cost for 17 randomly selected TVs. A sample mean of $94.57 and stand...
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