The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 263.9 and a standard deviation of 67.9. (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 3 standard deviations of the mean, or between 60.2 and 467.6? b. What is the approximate percentage of women with platelet counts between 128.1 and 399.7? a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 60.2 and 467.6. (Type an integer or a decimal. Do not round.) b. Approximately% of women in this group have platelet counts between 128.1 and 399.7. (Type an integer or a decimal. Do not round.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 263.9 and a standard deviation of 67.9. (All 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 60.2 and 467.6?
b. What is the approximate percentage of women with platelet counts between 128.1 and 399.7?
a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 60.2 and 467.6.
(Type an integer or a decimal. Do not round.)
b. Approximately % of women in this group have platelet counts between 128.1 and 399.7.
(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 263.9 and a standard deviation of 67.9. (All 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 60.2 and 467.6? b. What is the approximate percentage of women with platelet counts between 128.1 and 399.7? a. Approximately % of women in this group have platelet counts within 3 standard deviations of the mean, or between 60.2 and 467.6. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 128.1 and 399.7. (Type an integer or a decimal. Do not round.)
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