Systolic blood pressure readings in the United States are normally distributed with a mean of 120...
Systolic blood pressure readings in the United States are normally distributed with a mean of 120 and standard deviation of 15. Find the percentage of Americans with systolic blood pressure readings above 95.
a. 4.75%
b. 95.25%
c. 4.85%
d. 95.15%
Homework Answers
Here it is given that distribution is normal with mean=120 and standard deviation=15
We need to find 
As distribution is normal we can convert x to z
Hence answer here is b. 95.25%
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