The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 261.6 and a standard deviation of 62.4. (All units are 1000 cells/mu L.) Using the empirical rule, find each approximate percentage below.
a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 136.8 and 386.4?
Approximatelyenter your response here % of women in this group have platelet counts within 2 standard deviations of the mean, or between 136.8 and 386.4.
b. What is the approximate percentage of women with platelet counts between 74.4 and 448.8?
Approximately % of women in this group have platelet counts between 74.4 and 448.8.
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