Mathematics, 17.12.2019 20:31 siddhi50
Suppose the length of steel rods produced by a machine is approximately normally distributed. a random sample of 16 rods were collected and measured, and a sample mean of ỹ = 1.3 m and a sample standard deviation of s = 0.4 m were recorded. (a) what is the probability that the average length of steel rods produced by this machine (i. e., population mean) exceeds 1.5 m?
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Suppose the length of steel rods produced by a machine is approximately normally distributed. a rand...
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