What is the total width of the confidence interval

Assignment Help Basic Statistics
Reference no: EM132495362

An economist is interested in studying the monthly incomes of consumers in a particular region. The population standard deviation of monthly income is known to be 1000 rupees. A random sample of 49 individuals resulted in an average monthly income of 15000 rupees. What is the total width of the 90% confidence interval?

Reference no: EM132495362

Questions Cloud

Calculate tater and pepper ebit : Calculate Tater and Pepper's 2018 EBIT. Tater and Pepper Corp. reported free cash flows for 2018 of $57.1 million and investment in operating capital of $40.1
Specify a rupee range such that it contains : Specify a Rupee range (centered on the mean) such that it contains 95% probability for the annual profit of the company.
What is the probability that they are all heads or all tails : Four coins are tossed. What is the probability that they are all heads or all tails?
Prepare all appropriate journal entries related to machinery : Prepare all appropriate journal entries related to the machinery for 2020, including its subsequent disposal. June 30, 2020 Machinery with a cost of $120,000
What is the total width of the confidence interval : A random sample of 49 individuals resulted in an average monthly income of 15000 rupees. What is the total width of the 90% confidence interval?
How many extra days of credit can y receive : What is the effective annual rate of interest if Y pays on the due date rather than day 11? How many extra days of credit can Y receive if it passes up the cash
Confidence interval for the population mean : What is the 99% confidence interval for the population mean time spent on investment research by portfolio managers?
Average utilization of the three-teller service system : What is the average utilization of the three-teller service system?
What is after tax cost of debt for micro spin offs inc : What is after tax cost of debt for Micro Spin offs Inc. Micro Spin offs Inc, issued 20-year debt a year ago at par value with a coupon rate of 9%

Reviews

Write a Review

Basic Statistics Questions & Answers

  Appropriate inference method

If Weight 1 is the weight (in pounds) of a random sample of five men who were accepted as models, and Weight 2 is the weight (in pounds) of a random sample of five men who were rejected as models, which of the following is the appropriate inferenc..

  Results of a survey conducted in august

Leon James and Diane Nahl posted results of a survey conducted in August 2000, where respondents were asked about various driving habits.

  Calculate average total salary for the jacksonville jaguars

USA Today reports salaries for National Football League (NFL) teams. The file Jaguars contains the salaries for the 2011 Jacksonville Jaguars.

  Find the lowest test score that a student could get and

a college requires applicants to have an act score in the top 10 of all test scores. the act scores are normally

  Two sample hypothesis testing using normal distribution

Test the hypothesis that the annual incomes of corporate trainers in areas of more than 500,000 are significantly more than those in areas of less than 100,000.

  What is the fertility rate

The number of births per woman in China is 1.6 down from 5.91 in 1966. This fertility rate has been attributed to the law passed in 1979 restricting births.

  Compute confidence interval for the population proportion

Refer to Example, in which for a sample of 1003 American adults, .56 was the proportion who think that it is somewhat or very likely that intelligent.

  What assumptions have been made in the calculations

A library employee shelves a large number of books every day. The average number of books misshelved per day is estimated over a long period to be 2.5.

  State the correct price of an item immediately

Market research Inc. wants to know if shoppers are sensitive to the prices of items sold in a supermarket. One supermarket owner claims that less than half of

  Estimate the variance and standard error

Estimate the variance and standard error of the sample mean when you randomly sample n = 8 subjects and get 2, 6, 10, 1, 15, 22, 11, 29.

  Draw a box plot and find the mode and any outliers

Refer to the given data on distances between seats in business class for various airlines. Find µ, σ, σ2, draw a box plot, and find the mode and any outliers.

  Identify the null and alternative hypotheses you should

your love of golf has brought you back to the range as the new product manager for uniduns straight flight sf line of

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