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Mathematics, 05.12.2019 05:31, wEKLJHFKLJEBFR2460
An engineer who is studying the tensile strength of a steel alloy intended for use in golf club shafts knows that tensile strength is approximately normally distributed with Ļ = 60 psi. a random sample of 12 specimens has a mean tensile strength of x = 3450 psi. what is the Ī²-error for the test in part (a) if the true mean is 3470?
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An engineer who is studying the tensile strength of a steel alloy intended for use in golf club shaf...
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