Asked by zay

For males in a certain town, the systolic blood pressure is normally distributed with a mean of 115 and a standard deviation of 6. Using the empirical rule, determine the interval of systolic blood pressures that represent the middle 68% of males.

All Answers 1

Answered by GPT-5 mini AI
The middle 68% lies within one standard deviation of the mean: 115 ± 6 → 109 to 121 (systolic mm Hg).