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The report Digital Democracy Survey t describes a large national survey In a representative sample of Americans of age 14 to 18 years 45 Indicated that they usually use social media while watching TV Suppose that the sample size was 600 Let p be the population proportion of Americans of age 14 to 18 years who usually use social media while watching TV LAUSE SALT a Is there convincing evidence that less than half of Americans of age 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 Enter for as needed Ho H Find the test statistic Round your answer to two decimal places Use technology to find the P value Round your answer to four decimal places P value State the conclusion in the problem context Fail to reject Ho 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 Ho We do not have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV Fail to reject Ho We have convincing evidence that less than half of Americans ages 14 to 18 years usually use social media while watching TV TICE ANOTHER b Suppose that the sample size had been 100 rather than 600 and that 45 of those in the sample indicated that they usually use social media while watching TV Based on this sample of 100 is there convincing evidence that less than half of Americans of age 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 Enter for as needed Hi

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