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Solved: Please be aware that some of the following

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

Solution for problem 1 CRE Chapter 11.3

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 1 CRE

Problem  1CRE

Please be aware that some of the following problems may require knowledge of concepts presented in previous chapters.

Weather-Related Deaths Review Exercise 1 involved weather-related deaths. Among the 489 deaths included in the table, 325 are males. Use a 0.05 significance level to test the claim that among those who die in weather-related deaths, the percentage of males is equal to 50%.

Step-by-Step Solution:

Answer:

Step 1 of 1

Given, among the 489 deaths included in the table, 325 are males.

The Hypothesis can be expressed as

H0 :

H1 :

OR

H0 :

H1 :

Use a 0.05 significance level

The Test Statistic can be expressed as

  Z  =

  Z  =  7.28

Therefore, the required test statistic is Z = 7.28.

The Critical value corresponding to 0.05 significance level is

Since, the test statistic does not lie in between the z-score (-1.96, 1.96) and conclude that there is sufficient evidence to warrant rejection of the claim that among those who die in weather-related deaths, the percentage of males is equal to 50%.

Step 2 of 1

Chapter 11.3, Problem 1 CRE is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The full step-by-step solution to problem: 1 CRE from chapter: 11.3 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 1 CRE from 11.3 chapter was answered, more than 282 students have viewed the full step-by-step answer. The answer to “Please be aware that some of the following problems may require knowledge of concepts presented in previous chapters.Weather-Related Deaths Review Exercise 1 involved weather-related deaths. Among the 489 deaths included in the table, 325 are males. Use a 0.05 significance level to test the claim that among those who die in weather-related deaths, the percentage of males is equal to 50%.” is broken down into a number of easy to follow steps, and 61 words. This full solution covers the following key subjects: deaths, weather, related, males, among. This expansive textbook survival guide covers 121 chapters, and 3629 solutions.

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Solved: Please be aware that some of the following