Confidence intervals for the population mean

Assignment Help Other Subject
Reference no: EM13337919

The following data values are a simple random sample from apopulation that is normally distributed,with σ2 =2.5.0: 47,43,33,42,34, and 41. Construct and interpret the 95% and99% confidence intervals for the population mean.

Reference no: EM13337919

Questions Cloud

Confidence intervals for population : The following data values are a simple random sample from apopulation that is normally distributed,with σ 2   =25.0:47,43,33,42,34, and 41. Construct and interpret the 95% and99% confidence intervals for the population.
Observation in simple randomsample : Given the following observation in a simple randomsample from a population that is approximately normallydistributed,construct and interpret the 90% and 95% confidenceintervals for the mean:
Is this point estimate or an interval estimate : During the month of July,an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan ..
Standard error of the sampling distribution of theproportion : It has been estimated that 17.0% of mutual fund shareholders are retired persons. Assuming the population proportion to be π=0.17 and that a simple random sample of 400 share holders has been selected:
Confidence intervals for the population mean : The following data values are a simple random sample from apopulation that is normally distributed,with σ2 =2.5.0: 47,43,33,42,34, and 41. Construct and interpret the 95% and99% confidence intervals for the population mean.
Normally distributed with a standard deviation : It has been reported that the average U.S. office worker receives 14 fax messages per day. For purposes of this exercise,we will assume that the daily number of fax messages is normally distributed with a standard deviation of 5.0 messages.
Standard deviation of the corresponding normal distribution : In a certain binomial distribution,π=0.20 and n=30.In using the normal approximation, What are the mean and standard deviation of the corresponding normal distribution?
Describe the probability distribution : Flip a fair coin 50 times, assign a random variable X, where the value of X is equal to the number of heads observed in the flips. Describe the probability distribution of X, and calculate the probability of observing 30 or more heads or more in 50 f..
Population standard deviation : A sample of 60 is used and the population standard deviation is 8.Use the critical value approach to state your conclusion for eachof the following sample results.

Reviews

Write a Review

Other Subject Questions & Answers

  Describe american foreign policy-world war

Describe American foreign policy in the decades after World War II. How did the dropping of the atomic bomb and the new global alliances formed at the end of World War II contribute to United States’ development as a global superpower?

  Micro and macro human sevices prictice

What are some of the differences between micro and macro human sevices prictice, with regard to goals and intervention strategies?

  Accounts for the rise of conspiracy theories

What do you think accounts for the rise of conspiracy theories that are offered as explanations for the assassinations of the great leaders of the 1960s?

  Connection between student unrest and the vietnam war

Describe the connection between student unrest and the Vietnam War, noting how each affected the other. Explain the political and social outcomes of the end of the Vietnam War.

  Recover potentially lost customers

What are the three important steps needed to recover Potentially lost customers?

  Evaluate various types of information system in organiztions

Debate how information systems are OR are not making businesses more competitive, efficient, and profitable. Compare, contrast, and evaluate the various types of information systems in organizations.

  Describe the early and modern adult perceptions of children

Describe the early and modern adult perceptions of children and adolescents. Discuss the inextricable manner in which these views have been codified in the American legal system.

  Elements of a multidomestic strategy

Elements of a multidomestic strategy may facilitate the competitive advantage of cost leadership by:

  Multivariate data

Include in your report an explanation of this concept using reference materials other than the textbooks for the course.

  Economic price for the customer is indicated in the exhibit

The economic price for the customer is indicated in the exhibit. However, the price must match the costs for the customer. What are the perceived benefits and costs? How can the business improve the perceived value of its product?

  Corporate responsibility

Corporate responsibility. It is imperative that corporate managers and leaders consider the impact their decisions have on the community and world around them.

  Explain what is meant by tourism market

Identify the different types of hospitality customers, their needs, and how firms can meet those needs Explain what is meant by Tourism Market Identify contributing factors that influence the future of Travel

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