The Empirical Rule Based on Data Set 1 in Appendix B, blood platelet counts of women
Chapter 3, Problem 41(choose chapter or problem)
The Empirical Rule Based on Data Set 1 in Appendix B, blood platelet counts of women have a bellshaped distribution with a mean of 280 and a standard deviation of 65. ( All units are 1000 cells / L . ) Using the empirical rule, what is the approximate percentage of women with platelet counts a. within 2 standard deviations of the mean, or between 150 and 410? b. between 215 and 345?
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