I am stuck on this one.

The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 246.5 and a standard deviation of 63.3. (All units are 1000 cells/uL.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 119.9 and 373.1? b. What is the approximate percentage of women with platelet counts between 56.6 and 436.4? a. Approximately % of women in this group have platelet counts within 2 standard deviations of the mean, or between 119.9 and 373.1. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 56.6 and 436.4. (Type an integer or a decimal. Do not round.)