12th Edition

ISBN: 9780321836960

Author: Mario F. Triola

Publisher: PEARSON

Concept explainers

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Textbook Question

Chapter 5.2, Problem 8BSC

Identifying Probability Distributions. In Exercises 7-14, determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied.

8. Male Color Blindness When conducting research on color blindness in males, a researcher forms random groups with five males in each group. The random variable r is the number of males in the group who have a form of color blindness (based on data from the National Institutes of Health).

X	*P(X)*
0	0.659
1	0.287
2	0.050
3	0.004
4	0.001
5	0+

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Chapter 5.2, Problem 7BSC

Chapter 5.2, Problem 9BSC

Chapter 5 Solutions

Elementary Statistics

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Solution Summary: The author explains that the given distribution follows probability distribution and its mean is approximately 0 men and standard deviation approximately 1 man.

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