The body temperatures of a group of healthy adults have a​ bell-shaped distribution with a mean of 98.18°F and a standard deviation of 0.67°F. Using the empirical​ rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 1 standard deviation of the​ mean, or between 97.51°F and 98.85°​F? b. What is the approximate percentage of healthy adults with body temperatures between 96.17°F and 100.19°​F?

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