The substance weight of a type of paper follows a normal distribution with a mean of 40

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The substance weight of a type of paper follows a normal distribution with a mean of 40 pounds per square inch and a standard deviation of 3 pounds per square inch.

a. What is the probability that the substance weight of a sample is greater than 45 pounds per square inch?

b. If the specifications require the substance weight to exceed 37 pounds per square inch, what portion of the sample is rejected?

Related Book For answer-question

A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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Posted Date: Jan 13, 2020 08:34 AM

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The substance weight of a type of paper follows a normal distribution with a mean of 40

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A Survey of Mathematics with Applications

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