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The breaking strength of a rivet has a mean value of 10,000 psi and a standard...

The breaking strength of a rivet has a mean value of 10,000 psi and a standard deviation of 498 psi.

(a) What is the probability that the sample mean breaking strength for a random sample of 40 rivets is between 9,900 and 10,200? (Round your answer to four decimal places.)

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