The red blood cell counts (in millions of cells per microliter) for a population of adult males can be approximated by a normal distribution, with a mean of 5.1 million cells per microliter and a standard deviation of 0.4 million cells per microliter. (a) What is the minimum red blood cell count that can be in the top 25% of counts? (b) What is the maximum red blood cell count that can be in the bottom 12% of counts?
The red blood cell counts (in millions of cells per microliter) for a population of adult males can be approximated by a normal distribution, with a mean of 5.1 million cells per microliter and a standard deviation of 0.4 million cells per microliter. (a) What is the minimum red blood cell count that can be in the top 25% of counts? (b) What is the maximum red blood cell count that can be in the bottom 12% of counts?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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The red blood cell counts (in millions of cells per microliter) for a population of adult males can be approximated by a normal distribution, with a mean of
5.1
million cells per microliter and a standard deviation of
0.4
million cells per microliter.(a) What is the minimum red blood cell count that can be in the top
25%
of counts?(b) What is the maximum red blood cell count that can be in the bottom
12%
of counts?
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