# Question: A nationwide poll claims that the margin of error is

A nationwide poll claims that the margin of error is no more than 4.3 percentage points for questions asked of half the sample.

a. Verify this claim in a particular case by computing the t table value times the standard error of the binomial fraction p for the case of a candidate having 46% of the 553 registered women voters in favor.

b. Find the 95% confidence interval for the percentage of registered women voters who favor the candidate as indicated in part a.

a. Verify this claim in a particular case by computing the t table value times the standard error of the binomial fraction p for the case of a candidate having 46% of the 553 registered women voters in favor.

b. Find the 95% confidence interval for the percentage of registered women voters who favor the candidate as indicated in part a.

**View Solution:**## Answer to relevant Questions

A survey of 21 business intelligence analysts, who had been in their current positions from 10 to 20 years, revealed $90,734 as the average salary.14 Assume a random sample with a standard deviation of $15,000. a. Find the ...A survey of your customers shows, to your surprise, that 42 out of 200 randomly selected customers were not satisfied with after-sale support and service. a. Find the summary statistics: the sample size, n; the sample ...Consider the quality scores measured for a random sample of agricultural produce: 16.7, 17.9, 23.5, 13.8, 15.9, 15.2, 12.9, 15.7 a. Find the 95% confidence interval for the population mean quality. b. Find the 95% prediction ...Viewing the database in Appendix A as a random sample from a much larger population, consider the percentage who are advanced (at training level B or C). Find the 99% confidence interval. Viewing the database in Appendix A as a random sample from a much larger population, consider the age values. a. Find the 95% confidence interval. b. Find the 90% confidence interval.Post your question