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Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people.

(a) How many would you expect to be between 170 and 175 cm tall?


(b) How many would you expect to be taller than 179 cm

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asked by Andrew
  1. done here

    http://www.jiskha.com/display.cgi?id=1356101668

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    posted by Reiny

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