MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of
255.8
and a standard deviation of
65.5.
(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
59.3
and
452.3?
|
b.
|
What is the approximate percentage of women with platelet counts between
190.3
and
321.3?
|
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