The report "Digital Democracy Survey"t describes a large national survey. In a representative sample of Americans ages 14 to 18 years, 45% indicated that they usually use social media while watching TV. Suppose that the sample size was 700. (a) Is there convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV? Use a significance level of 0.05. State the appropriate null and alternative hypotheses. O H,: p = 0.5 versus H,: p > 0.5 Hoip # 0.5 versus H,: p = 0.5 O Ho: p < 0.5 versus H,: p > 0.5 O Ho: p = 0.5 versus H,: p = 0.5 O Ho: P = 0.5 versus H,: p < 0.5 Find the test statistic and P-value. (Use a table or technology. Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State the conclusion in the problem context. Fail to reject H,. We have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Fail to reject H,. We do not have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Reject Ho. We have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Reject H,. We do not have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV.
The report "Digital Democracy Survey"t describes a large national survey. In a representative sample of Americans ages 14 to 18 years, 45% indicated that they usually use social media while watching TV. Suppose that the sample size was 700. (a) Is there convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV? Use a significance level of 0.05. State the appropriate null and alternative hypotheses. O H,: p = 0.5 versus H,: p > 0.5 Hoip # 0.5 versus H,: p = 0.5 O Ho: p < 0.5 versus H,: p > 0.5 O Ho: p = 0.5 versus H,: p = 0.5 O Ho: P = 0.5 versus H,: p < 0.5 Find the test statistic and P-value. (Use a table or technology. Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State the conclusion in the problem context. Fail to reject H,. We have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Fail to reject H,. We do not have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Reject Ho. We have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV. Reject H,. We do not have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV.
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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