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.

What percentage of the population would the estimate be within120.115.1mmHg?Give the answer as a percentage rounded to the nearest whole number with no decimals, don't include units (don't writemmHgor a percent sign).

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