The part diameters are normally distributed. The lower tolerance limit corresponds to -2 z (minus two...

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Statistics

The part diameters are normally distributed. The lower tolerancelimit corresponds to -2 z (minus two standard deviations below themean). The upper tolerance limit corresponds to 3 z. What percentof parts will be out of tolerance? Describe the method you used tofind the answers.

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4.5 Ratings (853 Votes)
It is given that the part diameters are normally distributed this means that we can apply the empirical formula in this case By empirical formula we know that 997 of the data fall within 3    See Answer
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