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In a recent poll, 1095 randomly selected adults were asked whether they approve of labor unions; 65% said yes. a. In 1936, about 69% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreas b. In 1963, roughly 68% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrea a. What are the hypotheses for the one-proportion z-test? Ho: p=D: H,: (Type integers or decimals.) What is the test statistic? z= (Round to two decimal places as needed.) Identify the P-value. The P-value is . (Round to three decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Hn; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O B. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. OC. Do not reject Ha; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O D. Do not reject Hn; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936.

In a recent poll, 1095 randomly selected adults were asked whether they approve of labor unions; 65% said yes. a. In 1936, about 69% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreas b. In 1963, roughly 68% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrea a. What are the hypotheses for the one-proportion z-test? Ho: p=D: H,: (Type integers or decimals.) What is the test statistic? z= (Round to two decimal places as needed.) Identify the P-value. The P-value is . (Round to three decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Hn; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O B. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. OC. Do not reject Ha; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O D. Do not reject Hn; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936.

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 recent polI, 1095 randomly selected adults were asked whether they approve of labor unions; 65% said yes. a. In 1936, about 69% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrease b. In 1963, roughly 68% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrea a. What are the hypotheses for the one-proportion z-test? Ho: p=D: H, p (Type integers or decimals.) What is the test statistic? z= (Round to two decimal places as needed.) Identify the P-value. The P-value is N. (Round to three decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Hn, the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O B. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. OC. Do not reject H,; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O D. Do not reject H,; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936.
Transcribed Image Text:In a recent polI, 1095 randomly selected adults were asked whether they approve of labor unions; 65% said yes. a. In 1936, about 69% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrease b. In 1963, roughly 68% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decrea a. What are the hypotheses for the one-proportion z-test? Ho: p=D: H, p (Type integers or decimals.) What is the test statistic? z= (Round to two decimal places as needed.) Identify the P-value. The P-value is N. (Round to three decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Hn, the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O B. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. OC. Do not reject H,; the data do provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936. O D. Do not reject H,; the data do not provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936.
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