Question: In a study, a large sample was used to estimate the mean systolic bloodpressures in a population, and was found to follow a normal distribution

In a study, a large sample was used to estimate the mean systolic bloodpressures in a population, and was found to follow a normal distribution (bell-shaped curve).In this study, thesystolic blood pressure for men and women grouped together had amean of120.1mmHgwith astandard deviation of 15.1mmHg.

Using the empirical rule, what percentage of the population would you estimate to be between 135.2 and 150.3mmHg?State the answer as a percentage rounded to one decimal place.

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