Calculus and Above

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Suppose a batch of metal...

Suppose a batch of metal shafts produced in a manufacturing company have a variance of 6.25 and a mean diameter of 204 inches.If 70 shafts are sampled at random from the batch, what is the probability that the mean diameter of the sample shafts would differ from the population mean by more than 0.3 inches? Round your answer to four decimal places.

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