The blood platelets of a group of women have the bell shape distribution with the mean of 254.4 and a standard deviation of 60.3. Using the Empirical rule, find each approximate percentage below. What is the approximate percentage of women with platelets counts within 3 standard deviations of the mean , or between 73.5 and 435.3 What is the approximate percentage of women with platelet counts between 133.8 in 375