The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.3498.34degrees°f and a standard deviation of 0.480.48degrees°f. using the empirical rule, find each approximate percentage below. a. what is the approximate percentage of healthy adults with body temperatures within 22 standard deviationsdeviations of the mean, or between 97.3897.38degrees°f and 99.3099.30degrees°f? b. what is the approximate percentage of healthy adults with body temperatures between 97.8697.86degrees°f and 98.8298.82degrees°f? a. approximately nothing% of healthy adults in this group have body temperatures within 22 standard deviationsdeviations of the mean, or between 97.3897.38degrees°f and 99.3099.30degrees°f.