Mathematics
Mathematics, 03.07.2020 20:01, mamieengler

The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.4 and a standard deviation of 61.3. (All units are 1000 cells/muL.) 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 the mean, or between 181.5 and 320.1?
b. What is the approximate percentage of women with platelet counts between 112.2 and 389.4?

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