# Normal Probability: Diameter of a Jar

The diameter of a jar is 3 inches although could be as much a 3.03 inches or as little as 2.97 inches. There were 25 samples of these jars taken with a grand mean of 3.01 inches and a standard deviation of .02 inches. What is the probability of producing a bad product?

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#### Solution Summary

The solution provides step by step method for the calculation of probability using the Z score. Formula for the calculation and Interpretations of the results are also included.

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