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                                                                                                                         STAT301

Suppose that we are told that the heights of adult males in a particular region of the world are normally distributed with a mean of 70 inches and a standard deviation of 2 inches.

  1. Approximately what proportion of adult males are taller than 73 inches?
  2. What proportion of adult males are between 72 and 73 inches?
  3. What height corresponds to the point where 20% of all adult males are greater than this height?

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