Calculate the required standard deviation

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Reference no: EM131236502

In manufacturing steel shelves, the column pieces are cut automatically with a standard deviation of 0.2 in. The average length is 7.25 ft. A variation in length of 0.3 in. can be tolerated. Calculate the percentage of the rejected columns. To reduce the rejection rate by one-half, calculate the required standard deviation. The tolerance will remain the same.

Reference no: EM131236502

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