The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 262.8 and a standard deviation of 60.2. Using the empirical rule, find each approximate percentage below. A. What is the approximate percentage of women platelet counts within 2 standard deviation of the mean, or between 142.4 and 383.2? B. What is the approximate percentage of women with platelet counts between 82.2 and 443.4