The body temperatures of a group of healthy adults have a​ bell-shaped distribution with a mean of 98.29°F and a standard deviation of 0.45°F. Using the empirical​ rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 2 standard deviations of the​ mean, or between 97.39°F and 99.19°​F? b. What is the approximate percentage of healthy adults with body temperatures between 97.84°F and 98.74°​F?

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