Question

Provide an appropriate response. A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the syatolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given to the nearest whole number. Appraximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 139 inclusive? Relativre Frequency 035 0 30 025 0 20 0.15 0.10 005 100 110 120 130 140 150 160 Systolie Blood Preasure (Gran He A, 59% B. 89% C. 75% D. 39%

Answer 1

from given histogram ; % of people aged between 25-40 had a systolic pressure between 110-139 =(0.35+0.25+0.15)*100

=75%

option C is correct