4) ad In a survey conducted by the Gallup organization, 1,017 adults were asked "In general, how much trust and confidence do you have in the mass media - such as newspapers, TV, and radio - when it comes to reporting the news fully, accurately, and fairly?" Of the 1,017 respondents, 214 said they had "no confidence at all." Test, at the 5% level, if this sample provides evidence that the proportion of U.S. adults who have "no confidence in the media" differs significantly from 25%., the symbols and value of the sample statistic, the test statistic, p-value and the conclusion of the test in context. a) State the hypotheses. b) State the notation and value of the sample statistic. c) State the test-statistic (z-score) d) Find the p-value and compare to the significance level (5%) e) State the formal conclusion and the evidence statement (conclusion in context)
4) ad In a survey conducted by the Gallup organization, 1,017 adults were asked "In general, how much trust and confidence do you have in the mass media - such as newspapers, TV, and radio - when it comes to reporting the news fully, accurately, and fairly?" Of the 1,017 respondents, 214 said they had "no confidence at all." Test, at the 5% level, if this sample provides evidence that the proportion of U.S. adults who have "no confidence in the media" differs significantly from 25%., the symbols and value of the sample statistic, the test statistic, p-value and the conclusion of the test in context. a) State the hypotheses. b) State the notation and value of the sample statistic. c) State the test-statistic (z-score) d) Find the p-value and compare to the significance level (5%) e) State the formal conclusion and the evidence statement (conclusion in context)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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