The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 246.7 and a standard deviation of 62.3. (all units are 1000 cells/muμl.) using the empirical rule, find each approximate percentage below.
a. what is the approximate percentage of women with platelet counts within 22 standard deviationsdeviations of the mean, or between 122.1 and 371.3