Multiple choice question : 91f48% of the 400 voters samhpled voted for candidate A over candidate...
In a certain election, 49% of the women voters voted for Candidate A, while only 48% of men voters voted for Candidate A. An exit poll of 234 women and 194 men was conducted. Let [^(p)]1 and [^(p)]2 denote sample proportions of women and men voters respectively who voted for Candidate A. Answer all the questions below (where appropriate) as a fraction not as a percentage. What is the expected value of [^(p)]1? [Answer to two decimal places.] Tries 0/5...
In a past presidential election, 39,885,048. people voted for Candidate A; 39,660,675 Candidate B; and 193,670 for third-party candidates. a. What percentage of voters chose Candidate A? Find the % of voters who chose Candidate A Answer _____% b. Would it be appropriate to find a confidence interval of voters choosing Candidate A? (Answer is A,B,C or D) A.Yes, it is appropriate to find a confidence interval because the proportion is a sample proportion and the conditions for the Central...
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...
In a random sample of 100 eligible voters, 85 preferred candidate A over candidate B. Find a 99 percent confidence interval for the proportion p of voters favoring candidate A.
5) In a recent presidential election, 500 voters were surveyed and 350 of them said that they voted for the candidate who won. a. Construct a 96% confidence interval estimate of the percentage of voters who said they voted for the candidate who won. b. How many voters must they survey if they want 90% confidence that the sample proportion is in error by no more than 0.02?
In an election, there was a male and a female candidate and voters were either Democrats or non-Democrats. 90% (.90) of the voters were Democrats, and 10% (.10) were non-Democrats. 20% (.20) of the Democrats voted for the female candidate. 45% (.45) of the non-Democrats voted for the female candidate. You know that someone voted for the female candidate, and you are trying to figure out if they are a Democrat. A. Which number in the problem is P(Democrat)? B....
A poll is taken in which 400 out of 500 randomly selected voters indicated their preference for a certain candidate. (a) Find a 95% confidence interval for p. ≤p≤ (b) Find the margin of error for this 95% confidence interval for p.
A complete count shows that 505,000 out of 1,000,000 people who voted prefer candidate A. a. What is the population proportion of those who prefer A, p? b. What is the size of a 95% Confidence Interval for the population proportion?
A polling firm called 1,000 likely voters to ask about their political preferences. Of those polled, 520 indicated that they would vote for the incumbent candidate. Determine the point estimate for the proportion of voters in the election district who will vote for the incumbent.What is the sampling distribution for p in this example?Approximately how many voters must be polled for a margin of error equal to .01, assuming a confidence level of 95%? Show your work.
A random sample of 1000 voters registered in the state of Montana showed that 490 voted in the last general election. A random sample of 800 voters in the state of Arizona showed that 368 voted in the most recent general election. Do these data indicate that the population percentage of voter turnout in Arizona is lower than that in Montana? 11. Choose the appropriate null and alternate hypotheses. a. Null: The percentage of people who voted in Arizona and...