Solve the Problem. -The Systolic Blood Pressures of the Patients at a Hospital

Multiple Choice

Solve the problem.
-The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 138 mm Hg and a standard deviation of 13.5 mm Hg. Find the two blood pressures having these properties: the mean is
Midway between them and 90% of all blood pressures are between them.

A) 120.7 mm Hg, 155.3 mm Hg
B) 115.8 mm Hg, 160.2 mm Hg
C) 125.9 mm Hg, 150.2 mm Hg
D) 116.8 mm Hg, 161.2 mm Hg