#54 A and B Having a hard time with this question ?????

Points: 0 of 1 The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 262.5 and a standard deviation of 60.1. (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 82.2 and 442.8? b. What is the approximate percentage of women with platelet counts between 142.3 and 382.7? a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 82.2 and 442.8. (Type an integer or a decimal. Do not round.) ces ary