According to a survey conducted by Pew Research Center in June 2009, 44% of people aged18 to 29 years said that religion is very important to them. Suppose this result is based on asample of 1000 people aged 18 to 29 years.(a)(b)What is the point estimate of the corresponding population proportion?Find, with a 99% confidence level, the percentage of all people aged 18 to 29 yearswho will say that religion is very important to them. What is the margin of error ofthis estimate?

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Answered: According to a survey conducted by Pew…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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In a random sample on 500 college students, 325 are currently taking a course online. What is the point estimate for the proportion of college students, currently taking a course online? ["", "", "", "", "", ""] Construct the 95% confidence interval for the proportion of college students, currently taking a course online. ["", "", "", "", ""]
The New York Times conducted a nationwide poll of 1048 randomly selected 13- to 17-year-olds. to estimate the proportion of 13- to 17-year-olds who have a television in their room. We can consider the sample to be a simple random sample. Of these 1048 teenagers, 692 had a television in their room. Give a 95% confidence interval for the proportion of all people in this age group who had a TV in their room at the time of the poll, and interpret what your interval means in context. State: Plan: Do: Conclude:
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?
Students at a certain college were asked if they have a car. After surveying 501 students, it was found that 20.4% of them have a car. The margin of error was 3.6% with a 95% confidence level. What does this margin of error tell you about the percentage of students at that college who have a car? We can be 95% confident that somewhere between % and % of the students at that college have a car.
In a survey of 500 women, 120 said that Valentine’s Day was their favorite occasion to receive flowers. Construct an 88% confidence interval for the proportion of all women who feel that Valentine’s Day is their favorite occasion to receive flowers.
If 390 people were asked if they liked dogs, and 82% said they did What is the margin of error of this poll, at the 95% confidence level with your answer to three decimals?
A dermatologist believes that cancers of the head and neck will occur most often of the left side in adults in the US." In a review of 640 cases, 340 occurred on the left side. Test his belief to a confidence level of 95%.
A. Suppose we wish to make an estimate of the proportion of the population that has ever been arrested. We take a random sample of 500 people. In this sample, 10% of the respondents report having ever been arrested. Construct a 95% confidence interval for the proportion of people in the population who have been arrested. 2. Interpret, in words, the meaning of this interval.
9. According to a poll, eighty seven percent (87%) of California adults (440 out of 506 surveyed) feel that education is one of the top issues facing California. We wish to construct a ninety percent (90%) confidence interval for the true proportion of California adults who feel that education is one of the top issues facing California.What is a point estimate for the true population proportion?
The National Research center conducted a survey of 1000 people to learn about their major international concern. The survey results showed that 760 of the respondents indicated computer cyber attacks is their major international concern. Develop a 94% confidence interval for the population proportion of adults who think computer cyber attacks is their major international concern.

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