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MATLAB: An Introduction with Applications
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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In a previous poll, 31% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 1199 adults with children under the age of 18 were selected at random, and 350 of those 1199 adults reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased? Use the a= 0.05 significance level. > 10 and the sample size is Because npo (1-Po) = 256.5 (Round to one decimal place as needed.) What are the null and alternative hypotheses? Ho versus H₁: (Type integers or decimals. Do not round.) less than 5% of the population size, and the adults in the sample TEHT were selected at random, all of the requirements for testing the hypothesis are satisfied.
Transcribed Image Text:In a previous poll, 31% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 1199 adults with children under the age of 18 were selected at random, and 350 of those 1199 adults reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased? Use the a= 0.05 significance level. > 10 and the sample size is Because npo (1-Po) = 256.5 (Round to one decimal place as needed.) What are the null and alternative hypotheses? Ho versus H₁: (Type integers or decimals. Do not round.) less than 5% of the population size, and the adults in the sample TEHT were selected at random, all of the requirements for testing the hypothesis are satisfied.
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