Determine confidence interval estimate for population mean

Assignment Help Basic Statistics
Reference no: EM13139173

A survey of 30 adults found that the mean age of a person's primary vehicle is 5.6 years. Assuming the standard deviation of the populaiton is 0.8 year, find the 99% confidence interval estimate for the population mean.

Reference no: EM13139173

Questions Cloud

Organizational culture : You are to critically assess and document the following dimensions: • Generic business strategy • Organizational culture • Formal organizational structure
Determine the standard deviation and sample mean : They tested a random sample of 40 batteries using a special device designed to imitate real-world use and recorded data on battery lifetime. Determine the sample mean (in minutes).
The collapse of the monarchy : Was the collapse of the monarchy in February 1917 the predictable outcome of historical developments before 1914? Or was Tsarism likely to have survived had it not been for the First World War?
Determination by federal government of additional income : On July 15, 2011 a lawsuit was filed against D Corporation for a patent infringement action allegedly took place in early 2011. In the opinion of legal counsel, there is a danger of a significant loss to the client. Determination by the federal..
Determine confidence interval estimate for population mean : Assuming the standard deviation of the populaiton is 0.8 year, find the 99% confidence interval estimate for the population mean.
Calculating diluted earnings per share : The average market price of Caruso's common stock was $25 during 2008. What is the number of shares that should be used in computing diluted earnings per share for the year ended December 31, 2008?
Anthropological discussion of humanity-sin and christianity : Explain, as to someone with no background in religion, how the intellect and the will show humans have a tendency to go beyond what humans can grasp.
Brief review on christianity : Give and account of Christ like living from 1st Peter 1. How do we live as God's people? 1st Peter 2. How do we live in right relationship? 1st Peter 3.
Compute net investment for this project : The original cost of the first machine was $200,000 and the original cost of the second was $140,000. The firm’s tax rate is 40%. Compute net investment for this project.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Create confidence interval for mean monthly sales

Their mean monthly sales were $10,000 with a standard deviation of $1000. Construct a 95% confidence interval for the population mean.

  Compute the indicated confidence interval for the difference

Compute the indicated confidence interval for the differenciate in proportions. Suppose that the samples are independent and that they have been randomly selected.

  Find optimal allocation for estimating population mean

The population consists of two strata, H and L of sizes 100,000 and 500,000 and standard deviations 20 and 12 respectively. A stratified sample of size 100 is to be taken.

  Reducing the maximum error of estimate

If he were to conduct a second study to reduce the maximum error of estimate to 6, about how many hard drives should he include in his new sample?

  Confidence interval-time series

A researcher estimates an AR(1) model with an intercept and finds that the OLS estimate of Beta1 is 0.95, with a standard error of 0.002.

  Determining confidence interval for population variance

Suppose normality, determine a 90% confidence interval for population variance.

  Details about multiple regression

Recall that in Exercise 45 the personnel director for Electronics Associates developed the following estimated regression equation relating an employee's score on a job satisfaction test to length of service and wage rate.

  The relationship among variables is sufficient to warrant

Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.

  Definition of standard deviation

The standard deviation of is usually called the A. randomized standard error B. standard error of the sample C. standard error of the population D. standard error of the mean

  Create a cumulative relative frequency ogive chart

Twenty five young people were sampled in a survey to be used in determining the average expenditures (in dollars) for an evening of dining out.Create a cumulative relative frequency Ogive chart.

  Description of continuous probability distributions

It is estimated that 10 percent of those taking the quantitative methods portion of the CPA examination fail that section. Sixty students are taking the exam on Saturday.

  Determine whether p constitutes a bayesian network

Consider this joint probability distribution P: Determine whether P constitutes a Bayesian network with the DAG 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