The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 257.5 and a standard deviation of 66.2. (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 2 standard deviations of the mean, or between 125.1 and 389.9? b. What is the approximate percentage of women with platelet counts between 58.9 and 456.1?
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 257.5 and a standard deviation of 66.2. (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 2 standard deviations of the mean, or between 125.1 and 389.9? b. What is the approximate percentage of women with platelet counts between 58.9 and 456.1?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 8E
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Question
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 257.5
and a standard deviation of 66.2. (All units are 1000 cells/μL.)
Using the empirical rule, find each approximate percentage below.
and a standard deviation of 66.2. (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
2
standard
deviations
of the mean, or between
125.1
and
389.9?
|
b.
|
What is the approximate percentage of women with platelet counts between
58.9
and
456.1?
|
a. Approximately enter your response here%
of women in this group have platelet counts within 2
standard deviations
of the mean, or between 125.1
and 389.9. (Type an integer or a decimal. Do not round.)
of women in this group have platelet counts within 2
standard deviations
of the mean, or between 125.1
and 389.9. (Type an integer or a decimal. Do not round.)
b. Approximately enter your response here% of women in this group have platelet counts between 58.9 and
456.1. (Type an integer or a decimal. Do not round.)
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