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A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 79.8 psi and standard deviation 23.8 psi. Find the

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A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 79.8 psi and standard deviation 23.8 psi. Find the probability that a random sample of 5 fiber specimens will have sample mean tensile strength that exceeds 75.07 psi

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