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Units of output from a normally distributed process (which has a mean of 60cm and a standard deviation of 0.3cm) are considered acceptable so long as they fall within the interval of 59.46cm to 60.54cm.

If the process mean and standard deviation remain constant, what proportion of the output from this process will be defective?

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Solution Summary

A complete, neat and step-by-step solution is provided to determine the proportion of the output units from this process that will be defective.

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m = 60, s = 0.3, x1 = 59.46, x2 = 60.54

z1 = (x1 - m)/s = (59.46 - 60)/0.3 = ...

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