The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.23"F and a standard deviation of 0.53 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 97.70 F and 98.76 F? b. What is the approximate percentage of healthy adults with body temperatures between 97.17 F and 99.29 F? a. Approximately |% of healthy adults in this group have body temperatures within 1 standard deviation of the mean, or between 97.70 F and 98.76*F (Type an integer or a decimal. Do not round.) b. Approximately | % of healthy adults in this group have body temperatures between 97.17'F and 99.29 F. (Type an integer or a decimal. Do not round.)