Having trouble with answering A and b

ection 03.02 Part B

03.02 Part B Question 9, 3.2.41 Partlof2 HW Score: 47.22%, 8.5 of 18 points O Points:Oof1 Save The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 260.2 and a standard deviation of 65.4. (All units are 1000 cells/pC) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 1 standard deviation of tho moan, or between 194.8 and 325.6? b. What is the approximate percentage of women with platelet counts between 129.4 and 391.0? a. Approximately of women ih this group have platelet counts within I standard deviation of the mean, or between 194,8 and 325.6. (Type an integer or a decimal. Do not round,)