Question

A random sample of ikely voters showed that 64 % planned to vote for Candidate X, with a margin of eror of 1 percentage points and with 95 % confidence, a. Use a carefully worded sentence to report the 95 % confidence interval for the percentage of voters who plan to vote for Candidate X b. Is there evidence that Candidate X could lose? c. Suppose the survey was taken on the streets of a particular city and the candidate was running for president of the country that city is in. Explain how that would affect your condlusion. a. Which of the following statements best describes the confidence interval for the percentage of voters who plan to vote for Candidate X7 OA I am 95 % confident that the population percentage of voters supporting Candidate X is between 63 % and 65 % OB. I am 95 % confident that the population percentage of voters supporting Candidate X is between 64 % and 65 % . C. I am 95 % confident that the population percentage of voters supporting Candidate X is behween 63 % and 64 % OD. I am 95 % confident that the population percentage of voters not supporting Candidate X is between 63% and 65 % . b. Is there evidence that Candidate X could lose? A There is evidence that the candidate could lose. The reason there is evidence is because the interval is entirely above 50% OB. There is no evidence that the candidate could lose The reason there is no evidence is because th interval is entirely above 50% OC. There is evidence that the candidate could lose. The reason there is evidence is because the margin of eror is 1%. OD. There is no evidence that the candidate could lose. The reason there is no evidence is because 64 % of the sample voters planned to vote for Candidate X. c Which of the following is the best explanation on how the survey would affect your conclusion? OA A sample from this particular oity would be representative of the entire country and would be helpful in this context OB. A sample from this particular oity would not be representative of the entire country and would be worthless in this context worthless in this context OC. A sample from this particular city would be representative of the entire country and would be

Answer 1

ari. Cutidunt a t betwarn 63ng 65% optien ND evidenu, Tuterval alooe S0 Optron A The samp is rypreyentetve to tal Country and inbalptul mE Tha a5y. Conti dumu ierval i 64..+ 1/-(63 ., 65.)