The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.9 and a standard deviation of 66.1. (All units are 1000 cells/μL.) 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 189.8 and 322.0?
b.
What is the approximate percentage of women with platelet counts between 123.7 and 388.1?
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Part 1
a. Approximately enter your response here
% of women in this group have platelet counts within 1 standard deviation of the mean, or between 189.8 and 322.0.

(Type an integer or a decimal. Do not round.)