SOLUTION: In a survey of women in a certain country (ages 20-29), the mean height was 66.8 inches with a standard deviation of 2.89 inches/ What height represents the first quartile?

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Question 636916: In a survey of women in a certain country (ages 20-29), the mean height was 66.8 inches with a standard deviation of 2.89 inches/ What height represents the first quartile?
Answer by reviewermath(1029) About Me  (Show Source):
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This solution is correct if height of women in a certain country (ages 20-29) is Normally Distributed.
P(Z < -0.6745) = 0.25
Therefore Z = %28x+-+66.8%29%2F2.89+=+-0.6745
+x+=+-0.6745%282.89%29+%2B+66.8
+x+=+64.85
The first quartile is highlight%2864.85%29.