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Mathematics, 10.11.2019 06:31 sahaitong2552
The weights of aluminum castings produced by a process are normally distributed. a random sample of 5 castings is selected; the sample mean weight is 2.21 pounds; and the sample standard deviation is 0.12 pound. the 98% confidence interval for the population mean casting weight is
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The weights of aluminum castings produced by a process are normally distributed. a random sample of...
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