Posted by **Erica** on Wednesday, March 14, 2012 at 12:22am.

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 100 people.

(a) How many would you expect to be between 157 and 173 cm tall?

(b) How many would you expect to be taller than 160 cm?

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