A newspaper provided a "snapshot" illustrating poll results from 1910 professionals who interview job applicants. The illustration showed that 26% of them said the biggest interview turnoff is that the applicant did not make an effort to learn about the job or the company. The margin of error was given as ±3 percentage points. What important feature of the poll was omitted? Choose the correct answer. O The point estimate O The sample size O The confidence level O The confidence interval

Use the sample data and confidence level given below to complete parts (a) through (d).  A research insitute poll asked respondents if they felt vulnerbale to identity theft. In the poll, n=1047 and x=574 who said "yes." Use 99% confidence level.  a. find the best point of the population proportion p. (Round to three decimal places as needed.) b. Identity the value of the margin of error E. E =  c. Construct the confidence level interval.  ___ < p < ___ d. Write a statement that correctly interprets the confidence interval. Choose to correct Below  A. One has 99% confidence that the sample proportion is equal to the population proportion.  B. 99% of sample porportions will fall between the lower bound and upper bound. C. One has 99% confidence that the interval from the lower bound to the bound actually does contain the true value of the popuklation porportion.  D. There is a 99% chance that the true value of the population proportion will fall between the lower bound and the…

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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.

Hi, please help me solve for question B. Thank you!

An advertising agency wants to estimate the response rate for a new flyer. The agency sent the flyer to 100 randomly selected people and received 12 orders. a. What is the point estimate for the population proportion? b. What is the standard error of the proportion? c. Find 94% confidence interval for the percentage of those people who will place an order.

B. Identify the value of the margin of error E C. Construct the confidence interval There are 3 part to this question. Other two questions are above.

A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 1.5% margin of error at a 99% confidence level, what size of sample is needed? Enter an integer or decimal number [more..]

24. Job Interviews In a Harris poll of 514 human resource professionals, 90% said that the appearance of a job applicant is most important for a good first impression. a. Among the 514 human resource professionals who were surveyed, how many of them said that the appearance of a job applicant is most important for a good first impression? b. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that the appearance of a job applicant is most important for a good first impression. c. Repeat part (b) using a confidence level of 80%. d. Compare the confidence intervals from parts (b) and (c) and identify the interval that is wider. Why is it wider?

Noah wants to advertise how many chocolate chips are in each Big Chip cookie at his bakery. He randomly selects a sample of 70 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 10.4 and a standard deviation of 2.1. What is the 95% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Assume the data is from a normally distributed population. Round answers to 3 decimal places where possible. < μ<μ