A sample of Chrome moly drive shafts are pulled from a production line and the following statistics

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A sample of Chrome moly drive shafts are pulled from a production line and the following statistics are determined. The sample has a mean of 186 kg and standard deviation of 100 kg. Each one is marked with its z-score from the quality assurance department. You pick up one of the shafts and the z-score is 1.29. What is the actual measured mass of this shaft?

Posted Date: Dec 08, 2021 11:34 PM

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A sample of Chrome moly drive shafts are pulled from a production line and the following statistics

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