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It is well known that human height follows a Normaldistribution. Suppose the distribution of adult male heights has anaverage 70 inches (510) and a standard

It is well known that human height follows a Normaldistribution. Suppose the distribution of adult male heights has anaverage 70 inches (5’10”) and a standard deviation of 4 inches.

(a) What percentage of adult males have a height between 63inches and 68 inches?

(b) Find the first quartile of this distribution.

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