Why the method for z used in the following questions

Reference no: EM1318294

Why the method for Z used in the following questions.

The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.

Why is the formula for z used in (c) different from that used in (a) and (b)?

Reference no: EM1318294

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