Confidence interval estimate with a halfwidth

Assignment Help Basic Statistics
Reference no: EM132487919

The production employees at a garment factory have been surveyed several times to determine the proportion of employees who are opposed to a union. The estimates of this proportion ranged from 60% to 80%. The management agrees that they want a 90% confidence interval estimate with a halfwidth of 2%. What sample size should they use?

Reference no: EM132487919

Questions Cloud

Evaluate the purpose and relevance of leadership : To be effective, a leader should understand leadership theory. An effective leader should recognize his or her own leadership style, in order to develop.
Compute the IRR statistic for Project E : Compute the IRR statistic for Project E and note whether the firm should accept or reject the project with the cash flows shown as follows
How change in structure impact strategic planning activities : The current organizational structure is considered to be functional.?Senior management has put forth a recommendation to change the structure to another type.
Determining the shopping spree : The stemplot displays data on the amount spent by 50 shoppers at a grocery store. Note that the values have been rounded to the nearest dollar.
Confidence interval estimate with a halfwidth : The management agrees that they want a 90% confidence interval estimate with a halfwidth of 2%. What sample size should they use?
What screening techniques used for that specific position : Select a position that your organization might need to fill. Explain what screening techniques (2-3) can be used for that specific position.
What is the maximum inventory of fertilizer : What is the Economic Ordering Quantity? Round your answer to the nearest whole number. What is the maximum inventory of fertilizer?
What would you recommend based on your readings : Cultural differences, while difficult to observe and measure, are obviously very important. Failure to appreciate and account for them can lead to embarrassing.
What is the standard deviation of the distribution : If you randomly sample 14 households, what is the standard deviation of the distribution?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Most probable result in rejecting the null hypothesis

A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?

  Find an upper capability index

Find an upper capability index assuming normality of distribution of turnaround times. In what proportion of time will the goal be met?

  Growth and development in captive beluga

In "Reproduction, Growth and Development in Captive Beluga," published in the journal Zoo Biology in 2005, researchers

  What is in the beer

One of their things is a list of 86 domestic beer brands with the percent alcohol, calories per 12 ounces, and carbohydrates per 12 ounces (in grams).

  Suppose x is a discrete random variable with probability

suppose x is a discrete random variable with probability distributionx01fx1-ppin other words x is a bernuolli random

  Evaluate the average errors for all golfers

Test at the 1% significance level whether the average errors in predicting distance for all golfers of the three different vision types are the same.

  Probability-randomly selected chocolate bar have calories

Suppose that the distribution of calories is approximately normal with o = 10. Find the probability that a randomly selected chocolate bar will have a) Between 200 and 220 caloies.

  Select a sample

Consider a population of 15 people. Use the Simple Random Sample applet to select a sample of size 5. Report the identification numbers of those selected in you

  A white chip on the first draw

(a) a white chip on the first draw?

  When an opinion poll calls residential telephone numbers at

when an opinion poll calls residential telephone numbers at random only 20 of the calls reach a live person. you watch

  Social order and a commitment to freedom

America was a land of many visions. Of those visions, one of the most important for America as it developed, was the vision of the creation

  Minutes and the standard deviation

Jolie takes 45 minutes to do her statistics homework. If the mean is 38 minutes and the standard deviation is 3, calculate Jolie's z score. Once calculated, interpret your findings in terms of Jolie's performance.

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