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Solved: In Exercises, assume that red blood cell counts of

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 10CQQ Chapter 6.7

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 10CQQ

In Exercises, assume that red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382.

What percentage of women have red blood cell counts in the normal range from 4.2 to 5.4?

Step-by-Step Solution:
Step 1 of 3

Problem 10CQQ

Answer:

Step1 of 3:

We have red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382.

Step2 of 3:

We need to find what percentage of women have red blood cell counts in the normal range from 4.2 to 5.4?

Step3 of 3:

We have

1).Consider z statistics with

P() = P(z )

                            = P(z )

                            = P(z-0.99)

                            = 0.9842

Probability that -0.990 is calculated by using standard normal table(area under normal curve).in statistical table we have to see row -0.9 under column 0.00

Hence, P(z-0.99) = 0.9842

2).1).Consider z statistics with

P() = P(z )

                            = P(z )

                            = P(z2.15)

                            = 0.1611

Probability that 2.15 is calculated by using standard normal table(area under normal curve).in statistical table we have to see row 2.1 under column 0.05

Hence, P(z 2.15) = 0.1611

Now,

The percentage of women have red blood cell counts in the normal range from 4.2 to 5.4 is given by

P() - P() = 0.9842 - 0.1611

                                                         = 0.8231

Conclusion:

Therefore,82.31% of women have red blood cell counts in the normal range from 4.2 to 5.4.

  

Step 2 of 3

Chapter 6.7, Problem 10CQQ is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The answer to “In Exercises, assume that red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382.What percentage of women have red blood cell counts in the normal range from 4.2 to 5.4?” is broken down into a number of easy to follow steps, and 40 words. This full solution covers the following key subjects: Women, Blood, Cell, counts, red. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Since the solution to 10CQQ from 6.7 chapter was answered, more than 410 students have viewed the full step-by-step answer. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The full step-by-step solution to problem: 10CQQ from chapter: 6.7 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM.

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Solved: In Exercises, assume that red blood cell counts of