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Mathematics, 14.05.2021 03:40 tressasill
A machine produces 3-inch nails. A sample of 10 nails is obtained and the lengths determined. After some calculation, the sample mean is 2.98 and the sample standard deviation is 0.09. Find a 90% confidence interval for the population mean length of nails produce by the machine. Please input the upper limit of the confidence interval
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A machine produces 3-inch nails. A sample of 10 nails is obtained and the lengths determined. After...
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