Question: A scientist plans to construct a 95% confidence interval for the mean length of steel rods that are manufactured by a certain process. She will

A scientist plans to construct a 95% confidence interval for the mean length of steel rods that are manufactured by a certain process. She will draw a simple random sample of rods and compute the confidence interval using the methods described in this section. She says, ‘‘The probability is 95% that the population mean length will be covered by the confidence interval.’’ Is she right? Explain.

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