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06-06-2023
Mathematics

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A company wants to buy boards of length 2 meters and is willing to accept lengths that are off by as much as 0.04 meters. The board manufacturer produces boards of length normally distributed with mean 2.01 meters and standard deviation σ. If the probability that a board is too long is 0.01, what is σ? The answer in the book says 0.01287

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