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Points: 0 of 2 Save The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.6 and a standard deviation of 67.2. (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 3 standard deviations of the mean, or between 54.0 and 457.2? b. What is the approximate percentage of women with platelet counts between 188.4 and 322.8? a. Approximately |% of women in this group have platelet counts within 3 standard deviations of the mean, or between 54.0 and 457.2. (Type an integer or a decimal. Do not round.)