lexyjasmin9033 lexyjasmin9033

14-02-2018
Mathematics

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Pvc pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003 inch. find the probability that a random sample of n = 9 sections of pipe will have a sample mean diameter greater than 1.009 inch and less than 1.012 inch

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sqdancefan sqdancefan

15-02-2018

The probability that the sample mean is within 2 standard deviations on the high side and 1 standard deviation on the low side is about 0.8186.

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EllaGrig EllaGrig

09-04-2019

Answer: 7.517 inches

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