Hypothesis testing-american male height

Reference no: EM13108568

According to the U.S National Center for Health Statistics, the mean height for adult American males is mu = 65.5 inches. Assume the heights are normally distributed with standard deviation of sigma = 3.2. You may use StatCrunch for showing work, showing sketches and making calculations

Determine the probability of finding an adult American male that is:

a) Less than or equal to 68.7 inches tall. (Show work with a sketch)

b) More than or equal to 68.7inches tall.

c) How tall must an adult American male be to be in the top 10% of the adult American male population? (Show work with a sketch)

Reference no: EM13108568

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