13th Edition

ISBN: 9780134462455

Author: Mario F. Triola

Publisher: PEARSON

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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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Textbook Question

Chapter 11.2, Problem 3BSC

Hypothesis Test The accompanying TI-83/84 Plus calculator display results from the hypothesis test described in Exercise 1. Assume that the hypothesis test requirements are all satisfied. Identify the test statistic and the P-value (expressed in standard form and rounded to three decimal places), and then state the conclusion about the null hypothesis.

Chapter 11.2, Problem 3BSC, Hypothesis Test The accompanying TI-83/84 Plus calculator display results from the hypothesis test

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Chapter 11.2, Problem 2BSC

Chapter 11.2, Problem 4BSC

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Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is. (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.)

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Differentiate Between Type I and Type II Errors When Performing a Hypothesis Test Question Determine the Type I error if the null hypothesis, Ho, is: an electrician claims that no more than 10% of homes in the city are not up to the current electric codes. Select the correct answer below: The electrician thinks that no more than 10% of homes in the city when, in fact, there really are no more than 10% that are not up to the current electric codes. are not up to the current electrical codes The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, there really are more than 10% of the homes that do not meet the current electric codes. The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, at most 10% of the homes in the city are not up to the current electric codes. The electrician thinks that no more than 10% of homes in the city are not up to the…

Chapter 11 Solutions

Elementary Statistics (13th Edition)

Ch. 11.1 - Cybersecurity The table below lists leading digits...Ch. 11.1 - 2. Cybersecurity When using the data from Exercise...Ch. 11.1 - Cybersecurity The accompanying Statdisk results...Ch. 11.1 - Cybersecurity What do the results from the...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...

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Solution Summary: The author explains that a survey was conducted to test whether ear preference and handling the cell phone are associated with each other. The test statistic is 64.517 and the critical value is 15.5073.

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Chapter 11 Solutions