Concept explainers
Hypertension
Blood pressure readings are known to be highly variable. Suppose we have mean SBP for one individual over n visits with k readings per visit
It is also known that over a large number of 30- to 49-year-old Caucasian women, their true mean SBP is normally distributed with mean = 120 mm Hg and standard deviation = 14 mm Hg. Also, over a large number of African American 30- to 49-year-old women, their true mean SBP is normal with mean = 130 mm Hg and standard deviation = 20 mm Hg.
Suppose we select a random 30- to 49-year-old Caucasian woman and a random 30- to 49-year-old African American woman. What is the probability that the African American woman has a higher true SBP?
Hint: Use Equation 5.10 (on page 133).
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