The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 251.8 and a standard deviation of 65.2. (All units are 1000 cells/l) Using the empirical ru each approximate percentage below a. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 56 2 and 447.47 b. What is the approximate percentage of women with platelet counts between 186.6 and 317.07

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section: Chapter Questions
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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 251.8 and a standard deviation of 65.2. (All units are 1000 cells/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 56.2 and 447.47
b. What is the approximate percentage of women with platelet counts between 186.6 and 317.07
a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 56.2 and 447.4
(Type an integer or a decimal. Do not round)
b. Approximately % of women in this group have platelet counts between 186 6 and 317.0
(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 251.8 and a standard deviation of 65.2. (All units are 1000 cells/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 56.2 and 447.47 b. What is the approximate percentage of women with platelet counts between 186.6 and 317.07 a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 56.2 and 447.4 (Type an integer or a decimal. Do not round) b. Approximately % of women in this group have platelet counts between 186 6 and 317.0 (Type an integer or a decimal Do not round)
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