A particular poll tracks daily the percentage of citizens from a certain country who approve or...

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A particular poll tracks daily the percentage of citizens from acertain country who approve or disapprove of the job the Presidentis doing. Daily results are based on telephone interviews withapproximately 1400 national adults. The poll reported that 50​% ofadults approve of the President doing his job. A media outletclaimed the true proportion to be 52​%. Does the poll contradictthis​ claim? Complete parts a through c. ​a) Test the appropriatehypothesis. Find a 95​% confidence interval for the sampleproportion of adults in the country who approved of the​President's performance. Check conditions. Which conditions for theconfidence interval have been​ met? Select all that apply. A.​Success/Failure Condition B. ​10% Condition C. RandomizationCondition Let p be the proportion of adults in the country whoapproved of the​ President's performance. What are the null andalternative​ hypotheses? Upper H 0​: p ▼ greater than equals lessthan not equals nothing vs. Upper H Subscript Upper A​: p ▼ equalsgreater than less than not equals nothing ​(Type integers ordecimals. Do not​ round.) Find the 95​% confidence interval. leftparenthesis nothing comma nothing right parenthesis ​(Round tothree decimal places as​ needed.) ​b) Does your confidence intervalprovide evidence to contradict the​ claim? Select the correctchoice below and fill in the answer box to complete your choice.​(Type an integer or a decimal. Do not​ round.) A. Since nothing iswithin the​ interval, the confidence interval does not provideevidence that contradicts the media​ outlet's claim. B. Sincenothing is within the​ interval, the confidence interval providesevidence that contradicts the media​ outlet's claim. C. Sincenothing is not within the​ interval, the confidence intervalprovides evidence that contradicts the media​ outlet's claim. D.Since nothing is not within the​ interval, the confidence intervaldoes not provide evidence that contradicts the media​ outlet'sclaim. ​c) What is the significance level of the test in​ b?Explain. Select the correct choice below and fill in the answer boxto complete your choice. ​(Type an integer or a decimal. Do not​round.) A. The significance level is alphaequals nothing becausethe test is a​ two-tail test based on a 95​% confidence interval.B. The significance level is alphaequals nothing because the testis a​ one-tail test based on a 95​% confidence interval. C. Thesignificance level is betaequals nothing because the test is a​two-tail test based on a 95​% confidence interval. D. Thesignificance level is betaequals nothing because the test is a​one-tail test based on a 95​% confidence interval.

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aASuccessFailure Condition B 10 ConditionRandomization condition may not    See Answer
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