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Mathematics 22 Online
OpenStudy (anonymous):

The distribution of heights of young women aged 18 to 24 is approximately normal with a mean of 64.5 inches and a standard deviation of 2.5 inches. Between what two heights do the middle 95% of women fall? a.64.5 inches to 67 inches b.62 inches to 67 inches c.62 inches to 64.5 inches d.59.5 inches to 69.5 inches

Directrix (directrix):

@natenat3p1 Take a look at this discussion of the same problem and determine if it makes sense to you. http://openstudy.com/updates/52a7c0f2e4b0d967b9d1dade

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