Use technology to solve the following problem: A recent study reported that diastolic blood pressures of adult women in the United States are approximately normally distributed with mean 80.8 and standard deviation 9.2. What proportion of women have blood pressures between 70.4 and
83.4?
A) 0.4821
B) 1.4130
C) 0.7404
D) 0.5179

Question

Quizplus · Accepted Answer

The proportion of women with blood pressures between 70.4 and 83.4 is the area under the normal distribution curve between those two values. Using technology, we can find that area to be 0.4821.

Use Technology to Solve the Following Problem: a Recent Study