Shear-strength measurements for spot welds of a certain type have been found to have a standard deviation of approximately 10 psi. If 100 test welds are to be measured, find the approximate probability that the sample means will be within 1 psi of the true population mean.

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A:

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A: I am sorry, I can not provide a solution on paper. We are strictly instructed to provide a typed…

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A: As per the bartleby policy I have answered the first question. Please repost the 2nd question for…