A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogramfor the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer thequestion. The blood pressure readings were given to the nearest whole number.
-Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading less than 120?

Question

A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogramfor the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer thequestion. The blood pressure readings were given to the nearest whole number. 
-Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading less than 120?

Quizplus · Accepted Answer

According to the guidelines, a normal systolic blood pressure reading is less than 120 mmHg. Therefore, individuals with a reading less than 120 fall into the normal category, which is approximately 50% of the population aged 25-40.

A Nurse Measured the Blood Pressure of Each Person Who