Mean diameter

mean diameter 22.310mm with a standard deviation of 0.030mm.

1. Within what limits the diameter of the whole of the batch of components would you expect to lie making reference to normal distribution.



2. The probability that one component, taken at random, would have a diameter of greater than 22.280

3. The probability that one component, taken at random, would have a diameter of less than 22.370.
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