Introduction to Probability and Statistics
Introduction to Probability and Statistics
14th Edition
ISBN: 9781133103752
Author: Mendenhall, William
Publisher: Cengage Learning
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2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Chapter 7, Problem 7.79SE
To determine

To find: Whether it could be believed that the production process is leading an excessive proportion of defectives.

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Chapter 7 Solutions

Introduction to Probability and Statistics

Ch. 7.2 - A population consists of N=500 experimental units....Ch. 7.2 - A political analyst wishes to select a sample of...Ch. 7.2 - Prob. 7.3ECh. 7.2 - Prob. 7.4ECh. 7.2 - Prob. 7.9ECh. 7.2 - Prob. 7.11ECh. 7.2 - Ask America A 2003 nationwide policy surv ey...Ch. 7.5 - Random samples of size n were selected from...Ch. 7.5 - Prob. 7.16ECh. 7.5 - A population consists of N=5 numbers: 1, 3, 5, 6,...
Ch. 7.5 - Prob. 7.18ECh. 7.5 - A random sample of n observations is selected from...Ch. 7.5 - Prob. 7.20ECh. 7.5 - Prob. 7.21ECh. 7.5 - Prob. 7.22ECh. 7.5 - Prob. 7.23ECh. 7.5 - Prob. 7.24ECh. 7.5 - Suppose a random sample of n=25 observal ions is...Ch. 7.5 - Faculty Salaries Suppose that college faculty with...Ch. 7.5 - Potassium Levels The normal daily human potassium...Ch. 7.5 - Prob. 7.32ECh. 7.5 - Normal Temperatures In Exercise 1.67, Allen...Ch. 7.5 - Prob. 7.34ECh. 7.6 - Prob. 7.35ECh. 7.6 - Prob. 7.36ECh. 7.6 - Prob. 7.37ECh. 7.6 - Randome samples of size n=500 were selected from a...Ch. 7.6 - Prob. 7.39ECh. 7.6 - Prob. 7.40ECh. 7.6 - Prob. 7.41ECh. 7.6 - Prob. 7.42ECh. 7.6 - Prob. 7.43ECh. 7.7 - Prob. 7.48ECh. 7.7 - Prob. 7.49ECh. 7.7 - Prob. 7.50ECh. 7.7 - Prob. 7.51ECh. 7.7 - Prob. 7.52ECh. 7.7 - Prob. 7.54ECh. 7.7 - Prob. 7.56ECh. 7.7 - Prob. 7.57ECh. 7.7 - Prob. 7.59ECh. 7 - Refer to Exercise 7.60. Find the sampling...Ch. 7 - Prob. 7.63SECh. 7 - Prob. 7.66SECh. 7 - What survey design is used in each of these...Ch. 7 - Prob. 7.74SECh. 7 - Prob. 7.76SECh. 7 - Prob. 7.78SECh. 7 - Prob. 7.79SECh. 7 - Prob. 7.80SECh. 7 - Prob. 7.81SECh. 7 - Prob. 7.82SECh. 7 - Prob. 7.84SECh. 7 - Prob. 7.85SE
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