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The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean...

The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean of 264.8 and a standard deviation of 60.4. ​(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 3 standard deviations of the​ mean, or between 83.6 and 446.0​? b. What is the approximate percentage of women with platelet counts between 144.0 and 385.6​? a. Approximately nothing​% of women in this group have platelet counts within 3 standard deviations of the​ mean, or between 83.6 and 446.0.

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