In a previous poll, 47% 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, 497 of 1106 adults with children under the age of 18 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 = 0.01 significance level. Because npo (1-Po) = (1) 10 and the sample size is (2). 5% of the population size, and the sample (3) satisfied. the requirements for testing the hypothesis (4). (Round to one decimal place as needed.) What are the null and alternative hypotheses? Họ: (5). (6). versus H,: (7). (8) (Type integers or decimals. Do not round.) Find the test statistic, zo. Zo = (Round to two decimal places as needed.) Find the P-value. P-value = (Round to three decimal places as needed.) 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? Choose the correct answer below. O A. No, there is not sufficient evidence because the P-value is greater than the level of significance. Therefore, reject the O B. Yes, there is sufficient evidence because the P-value is greater than the level of significance. Therefore, reject the nu OC. Yes, there is sufficient evidence because the P-value is greater than the level of significance. Therefore, do not rejec O D. No, there is not sufficient evidence because the P-value is greater than the level of significance. Therefore, do not re (2) O greater than O can be reasonably assumed to be random, O is given to be random, (1) O < (3) (4) O are O less than O are not is given to not be random, cannot be reasonably assumed to be random, (5) O o (6) O # (7) O p (8) O p 0000 0000 0000
In a previous poll, 47% 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, 497 of 1106 adults with children under the age of 18 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 = 0.01 significance level. Because npo (1-Po) = (1) 10 and the sample size is (2). 5% of the population size, and the sample (3) satisfied. the requirements for testing the hypothesis (4). (Round to one decimal place as needed.) What are the null and alternative hypotheses? Họ: (5). (6). versus H,: (7). (8) (Type integers or decimals. Do not round.) Find the test statistic, zo. Zo = (Round to two decimal places as needed.) Find the P-value. P-value = (Round to three decimal places as needed.) 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? Choose the correct answer below. O A. No, there is not sufficient evidence because the P-value is greater than the level of significance. Therefore, reject the O B. Yes, there is sufficient evidence because the P-value is greater than the level of significance. Therefore, reject the nu OC. Yes, there is sufficient evidence because the P-value is greater than the level of significance. Therefore, do not rejec O D. No, there is not sufficient evidence because the P-value is greater than the level of significance. Therefore, do not re (2) O greater than O can be reasonably assumed to be random, O is given to be random, (1) O < (3) (4) O are O less than O are not is given to not be random, cannot be reasonably assumed to be random, (5) O o (6) O # (7) O p (8) O p 0000 0000 0000
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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