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Mathematics, 31.03.2020 03:59 RegencySlayer5304
A student records the repair cost for 6 randomly selected stereos. A sample mean of $65.62 and standard deviation of $24.23 are subsequently computed. Determine the 90% confidence interval for the mean repair cost for the stereos. 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 student records the repair cost for 6 randomly selected stereos. A sample mean of $65.62 and stand...
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