A Company Interested in the Health of Its Employees Started

Multiple Choice

A company interested in the health of its employees started a health program including monitoring blood pressure.Based on age, employees were categorized according to ranges of
Blood pressure by age intervals.Data are shown in the table below. The percentage of employees with normal or low blood pressure is

A) 67.9% (326/480) .
B) 47.9% (230/480) .
C) 41.7% (96/230) .
D) 80.0% (384/480) .
E) 20.0% (96/480) .