Question
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
Apply the 68-95-99.7 rule to this question.
A. 68%
B. 95%
C. 100%
D. 99.7%
Answer :D
Answers
I used the actual normal distribution and got
.9973
http://davidmlane.com/normal.html
.9973
http://davidmlane.com/normal.html
I used the actual normal distribution and got
.9973
http://davidmlane.com/normal.html
.9973
http://davidmlane.com/normal.html
Thanks
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