The compressive strength of samples of cement can be modeled by a normal distribution with a mean

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The compressive strength of samples of cement can be modeled by a normal distribution with a mean of 6000 kilograms per square centimeter and a standard deviation of 100 kilograms per square centimeter.

(a) What is the probability that a sample’s strength is less than 6250 Kg/cm2?

(b) What is the probability that a sample’s strength is between 5800 and 5900 Kg/cm2?

(c) What strength is exceeded by 95% of the samples?

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Applied Statistics And Probability For Engineers

ISBN: 9780471204541

3rd Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Nov 07, 2024 07:01 AM

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The compressive strength of samples of cement can be modeled by a normal distribution with a mean

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Applied Statistics And Probability For Engineers

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