In a recent statewide election, 55% of the voters case a YES vote to allow legalized marijuana. In a random sample of 144 urban precincts, 49% of voters cast a YES vote. Is the difference statistically significant?
In a recent statewide election, 55% of the voters case a YES vote to allow legalized...
Random sample of 330 voters, finding 144 who says that will vote “yes” on the upcoming school budget e chronicle polls a random sample of 330 voters, finding 144 who says that will vote "yes" on the upcoming school budget. What is the value of the sample proportion? What is the value of the standard error? Have we met the conditions to construct a 1-proportion z interval? Construct a 95% confidence interval for the actual sentiment of all the voters.
In a survey of 500 likely voters, 271 responded that they would vote for the incumbent and 229 responded that they would vote for the challenger. Let pp denote the fraction of all likely voters who preferred the incumbent at the time of the survey, and let p^p^ be the fraction of survey respondents who preferred the incumbent. a. Use the survey results to calculate p^p^. b. Test the hypothesis H0:p=0.5 vs. Ha:p≠0.5H0:p=0.5 vs. Ha:p≠0.5 at the 5% significance level....
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number of women and men who stated in a recent semple that they trust recommendations more than recommendations from any other social network platform (Forbes website, April 10, 2012 ). But, does trust in Pinterest difter by recommendations made on Pinterest Men 170 Trust Recommendations Made on Pinterest 117102 Women 150 Sample a. What is the point s the point estimate of the proportion of...
Would you favor spending more federal tax money on the arts? Of a random sample of n = 93 politically conservative voters, 1 = 17 responded yes. Another random sample of n2 = 78 politically moderate voters showed that r2 - 22 responded yes. Does this information indicate that the population proportion of conservative voters inclined to spend more federal tax money on funding the arts is less than the proportion of moderate voters so inclined? Use a = 0.05....
For each question below select the best answer from those listed and give your reasoning. Your reasoning need only be a sentence or two. It is not enough to get the right answer, you must know why it is the right answer. Question 5 Fred's friend claimed that Canadians tend to be jerks. Fred wondered if that was true, and tested it by checking to see how many Canadian jerks he could think of. Fred's cognitive strategy is ["the availability...