Kizspy | Question: 27
(Choose 1 answer)
The systolic blood pressure of 18-year-old women is normally distributed with a mean of 120 mmHg and a standard deviation of 12 mmHg. What percentage of 18-year-old women have a systolic blood pressure that lies within 3 standard deviations of the mean?
Let P(Z < -3) = 0.001, P(Z < -2) = 0.023, P(Z < 2) = 0.977 and P(Z < 3) = 0.999.
A. 68%
Β. 99.8%
C. 99.99%
D. 95%
E. None of the other choices is correct