A Zogby poll found that 75% of Americans can name all of The Three Stooges—Moe, Curly, and Larry. Assuming this finding to be based on a simple random sample of 1200 Americans, construct and interpret the 95% confidence interval for the population proportion of Americans who can name all three Stooges.
Answer to relevant QuestionsEstelle McCarthy, a candidate for state office in New Jersey, has been advised that she must get at least 65% of the union vote in her state. A recent political poll of likely voters included 800 union-member respondents, ...Based on a pilot study, the population standard deviation of scores for U.S. high school graduates taking a new version of an aptitude test has been estimated as 3.7 points. If a larger study is to be undertaken, how large a ...Compared to situations where the population is either infinite or very large compared to the sample size, what effect will the finite population correction tend to have on a. The width of a confidence interval? b. The ...A research firm supports a consumer panel of 2000 households that keep written diaries of their weekly grocery expenditures. The firm would like to estimate, with 95% confidence and within 4 percentage points, the percentage ...In a survey of 500 U.S. adults, 45% of them said that lounging at the beach was their “dream vacation.” Assuming this to be a simple random sample of U.S. adults, construct and interpret the 95% and 99% confidence ...
Post your question