Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
Question
The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean of 264.9 and a standard deviation of 69.6.
​(All units are 1000 ​cells/μ​L.) Using the empirical​ rule, find each approximate percentage below.
a.
 What is the approximate percentage of women with platelet counts within 3standard deviations of the​ mean, or between 56.1 and 473.7​?
b.
 What is the approximate percentage of women with platelet counts between 125.7and 404.1​?

 

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