=+b. What is the approximate probability that the average hardness in a random sample of 40 pins

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=+b. What is the approximate probability that the average hardness in a random sample of 40 pins is at least 52?

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Applied Statistics For Engineers And Scientists

ISBN: 9781133111368

3rd Edition

Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi

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Question Posted: Sep 21, 2024 10:03 AM

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=+b. What is the approximate probability that the average hardness in a random sample of 40 pins is at least 52?
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=+a. If the distribution of all such pin hardness measurements is known to be normal, what is the probability that the average hardness for a random sample of 9 pins is at least 52?
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=+b. What is the approximate probability that the average hardness in a random sample of 40 pins

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Applied Statistics For Engineers And Scientists

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