Textbook Problem Fifteen percent of Australians smoke. By introducing tough laws banning brand labels on cigarette packages, Australia hopes to reduce the percentage of people smoking to 10% by 2018 (Reuters website, October 23, 2012). Answer the following questions based on a sample of 240 Australians. a. Show the sampling distribution of p, the proportion of Australians who are smokers. b. What is the probability the sample proportion will be within t.04 of the population proportion? c. What is the probability the sample proportion will be within t.02 of the population proportion?
Textbook Problem Fifteen percent of Australians smoke. By introducing tough laws banning brand labels on cigarette packages, Australia hopes to reduce the percentage of people smoking to 10% by 2018 (Reuters website, October 23, 2012). Answer the following questions based on a sample of 240 Australians. a. Show the sampling distribution of p, the proportion of Australians who are smokers. b. What is the probability the sample proportion will be within t.04 of the population proportion? c. What is the probability the sample proportion will be within t.02 of the population proportion?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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