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

question 86

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

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