Asked by angela

The systolic blood pressure of 18-year-old women is normally distributed with a mean of 120 mm Hg and a standard deviation of 12 mm Hg. What percentage of 18-year-old women have a systolic blood pressure that is within 3 standard deviations of the mean on either side?

Apply the 68-95-99.7 rule to this question.

A. 68%
B. 95%
C. 100%
D. 99.7%

Answer :D

Answers

Answered by Reiny
I used the actual normal distribution and got
.9973

http://davidmlane.com/normal.html

Answered by Reiny
I used the actual normal distribution and got
.9973

http://davidmlane.com/normal.html
Answered by Angela
Thanks
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