Confidence interval for the population proportion

Assignment Help Basic Statistics
Reference no: EM131974836

In a survey of 2281 ?adults, 728 say they believe in UFOs. Construct a 90% confidence interval for the population proportion of adults who believe in UFOs.

Reference no: EM131974836

Questions Cloud

Purchased or leased on the basis of future worth analysis : If the company’s MARR is 18% per year, should the clamshell be purchased or leased on the basis of a future worth analysis?
First edition of book and second edition of book : The school classification (year in school) of survey respondents differed between the first edition of the book and the second edition of the book.
Write research report on company annual report : HI6026 - Audit, Assurance and Compliance Assignment. Write research report on a company annual report which is listed in ASX
Analyze how many different estimating technique were discuss : THE ESTIMATING PROBLEM- If each estimate is different, analyze how does a project manager decide that one estimate is better than another?
Confidence interval for the population proportion : In a survey of 2281 ?adults, 728 say they believe in UFOs. Construct a 90% confidence interval for the population proportion of adults who believe in UFOs.
Compute the optimal capital budget : Compute the optimal capital budget. What projects should be accepted?
Investigate the effects of family income : What statistical test should be used to analyze the data of the study? Why?
Develop an er model to represent the information requirement : SBM4102 Data and Information Management - develop an ER model to represent the information requirements for given case study
Compute the mean and median : Consider a sample with data values of 9, 22, 14, 19, and 16 (a) Compute the mean and median.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the probability that four or more are introverts

In a group of 6 computer programmers, what is the probability that none are introverts? What is the probability that 4 or more are introverts?

  Confidence interval for mean time needed for all graduates

Suppose the college in question 12 has only graduated 10,000 students. Construct a 96 percent confidence interval for the mean time required for all graduates to earn a bachelor's degree.

  Determine the percentage who are married with children

An Internet retailer wants to sample its customer base to determine the percentage who are married with children.

  Whats the probability the airline will not have enough seats

Suppose a plane will hold 265 passengers, and the airline sells 275 tickets. What's the probability the airline will not have enough seats, so someone gets bumped?

  Probability that a specific country will be included

What is the probability that a specific country will be included in the sample? (Hint: it may be easier to find this value by using the rule of complements.)

  Category observed frequency expected frequency

You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies:

  Difference between the mean ratings of the wine

Give a point estimate for the difference between the mean ratings of the wine when bottled are sealed with different kinds of corks.

  A sample of n 4 difference scores produces ss 48 what is

a sample of n 4 difference scores produces ss 48. what is the estimated standard error for the sample mean

  Give the numerical value of the standard error of the mean

A randomly selected sample of n = 60 individuals over 65 years old takes a test of memorization skills. The sample mean is x‾= 53, and the standard deviation is σ = 7.2. Give the numerical value of the standard error of the mean.

  Determine confidence interval result in null hypothesis

the value of 13.0 for sample mean results in null hypothesis not being rejected. That corresponds to confidence interval result of?

  Information regarding markov chains

All welders in a factory begin as apprentices. Every year the performance of each apprentice is reviewed. Past records indicate that after each review, 10% of the apprentices are promoted to professional welder

  Find the expected value and variance

Find the expected value and variance of S = X + Y + Z and find the expected value and variance of A = (1/3)(X + Y + Z).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd