poll asked adults in a certain country whether immigration was a good thing or a bad thing for the country. Out of 1032 ​respondents, 549 said it was a good thing. a. What percentage of those taking the poll said immigration was a good​ thing? b. Check the conditions to determine whether you can apply the CLT to find a confidence interval. c. Find a​ 95% confidence interval for the proportion who believe immigration is a good thing.

You're considering going to graduate school, and you would like to know how many people would recommend it. You talk to 30 people, and 7 recommend it. Construct a 96% confidence interval for p, the proportion of people that recommend you go to graduate school. What is the lower bound of this interval?

A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the country. Out of 1066​respondents, 670 said it was a good thing. a. What percentage of those taking the poll said immigration was a good​ thing? b. Check the conditions to determine whether you can apply the CLT to find a confidence interval. c. Find a​ 95% confidence interval for the proportion who believe immigration is a good thing.

Example:  You would like to construct a 90% confidence interval for the proportion of graduating seniors that go directly on to graduate school.  You randomly sample 386 graduating seniors and find that 73 will be enrolling in graduate school in the upcoming semester.  1. What is your point estimate? 2. Construct a 90% confidence interval for the true proportion of graduating seniors that go directly on to graduate school? 3.How many graduating seniors will you have to sample to have a margin of error within 2%?

Help, Please!

Need asap. A magazine article conducted a survey of 1000 people in Washington State and found that 26% of the population believe that Mount Saint Helens will have a repeat erruption this year. In the accompanying dialogue, the article states, we are 90% confident that the true proportion of people in Washington State who believe that Mount Saint Helens will have a repeat erruption this year lies between 23% and 29% . What does 90% represent in the article?A. a confidence intervalB. a confidence levelC. a margin of errorD. a statisticE. a parameter

In a survey of 3116 adults aged 57 through 85​ years, it was found that 86.2​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below. a. How many of the 3116 subjects used at least one prescription​ medication? b. Construct a​ 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. c. What do the results tell us about the proportion of college students who use at least one prescription​ medication?     A. The results tell us that there is a​ 90% probability that the true proportion of college students who use at least one prescription medication is in the interval found in part​ (b).   B. The results tell us​ that, with​ 90% confidence, the probability that a college student uses at least one prescription medication is in the interval found in part​ (b).   C. The results tell us​ that, with​ 90% confidence, the true proportion of college students who use at…

Use the sample data and confidence level given below.   A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n=979 and x=530 who said​ "yes." Use a 95% confidence level.   Find the best point estimate of the population proportion p, q, p, q, e, n

As a manager you want to know how likely is it that somebody who enters the store will purchase something. You asked one of your employees to check how many of the people who come to the store buy something. During one afternoon out of 280 people who entered the store 70 actually bought something. Find the sample probability of purchase. b. Find 90% confidence interval for the sample probability of purchase. Find 95% confidence interval for the sample probability of purchase. d. Find 99% confidence interval for the sample probability of purchase. e. Which of those confidence intervals is the widest and why? f. a. C. What if the lower bound of the confidence interval in this case would be below 0? Tor

A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=935 and x=561 who said "yes." Use a 95% confidence level.