The blood platelet counts of a group of women have a bell shaped distribution with a mean of 247 2 and a standard deviation of 63 4 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 57 0 and 437 4 b What is the approximate percentage of women with platelet counts between 183 8 and 310 6 of women in this group have platelet counts within 3 standard deviations of the mean or between a Approximately 57 0 and 437 4 Type an integer or a decimal Do not round b Approximately of women in this group have platelet counts between 183 8 and 310 6 Type an integer or a decimal Do not round