within 3 standard deviations of

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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 253.9 and a
standard deviation of 69.8. (AIl units are 1000 cells/uL.) 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 44.5 and 463.37
b. What is the approximate percentage of women with platelet counts between 184 1 and 323 7?
a. Approximately
between 44.5 and 463.3,
(Type an integer or a decimal. Do not round)
%% of women in this group have platelet counts within 3 standard deviations of the mean, or
b. Approximately % of women in this group have platelet counts between 184 1 and 323 7
(Type an integer or a decimal. Do not round.)
.
Transcribed Image Text:The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 253.9 and a standard deviation of 69.8. (AIl units are 1000 cells/uL.) 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 44.5 and 463.37 b. What is the approximate percentage of women with platelet counts between 184 1 and 323 7? a. Approximately between 44.5 and 463.3, (Type an integer or a decimal. Do not round) %% of women in this group have platelet counts within 3 standard deviations of the mean, or b. Approximately % of women in this group have platelet counts between 184 1 and 323 7 (Type an integer or a decimal. Do not round.) .
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