The weight of adobe bricks for construction is normally distributed with a mean of 3 pounds and

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The weight of adobe bricks for construction is normally distributed with a mean of 3 pounds and a standard deviation of 0.25 pound. Assume that the weights of the bricks are independent and that a random sample of 25 bricks is chosen.

(a) What is the probability that the mean weight of the sample is less than 2.95 pounds?

(b) What value will the mean weight exceed with probability 0.99?

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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 07:02 AM

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The weight of adobe bricks for construction is normally distributed with a mean of 3 pounds and

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Applied Statistics And Probability For Engineers

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