The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 251.6 and a standard deviation of 62.3. (All units are 1000 cells/pL.) 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 127.0 and 376.2? b. What is the approximate percentage of women with platelet counts between 189.3 and 313.9? a. Approximately % of women in this group have platelet counts within 2 standard deviations of the mean, or between 127.0 and 376.2. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 189.3 and 313.9. (Type an integer or a decimal. Do not round.)