Help asap . . core: 79.55%, 6.36 of 8 points Part 2 of 6 9 Points: 0.36 of 1 Homework: Se… A 2018 poll of 3621 randomly selected users of a social media site found that 1685 get most of their news about world events on the site. Research done in 2013 found that only 44% of all the site users reported getting their news about world events on this site. a. Does this sample give evidence that the proportion of site users who get their world news on this site has changed since 2013? Carry out a hypothesis test and use a 0.05 signi?cance level. in. After conducting the hypothesis test, a further question one mlght ask is what proportion of all of the site users get most of their news about world events on the site in 2018. Use the sample data to construct a 95% con?dence Interval for the population proportion. How does your con?dence interval support your hypothesis test conclusion? a. State the null and alternative hypotheses. Let p be the proportion of site users who get their world news on the site. Ho: p = 43.44 Ha: p e 0.44′ (Type integers ordecimals. Do not round.) Compute the zJest statistic. no (Round to two decimal places as needed.) … Show more MathStatistics and Probability
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