Confidence interval for variance of transit time for goods

Reference no: EM13154290

A transportation company wants to estimate the variance of the length of time goods are in transit across the country. A random sample of 20 shipments gives days and day. Give a 95% confidence interval for the variance of the transit time for all goods.

Reference no: EM13154290

Questions Cloud

What is the maximum purchase price the company can pay : The company believes that the tractor units can be sold at the end of five years of use for 25% of the original purchase price. What is the maximum purchase price the company can pay for the tractor if it's after tax MARR is 12% per year?

Did these assets change in value on the firm financial state : A U.S. firm has total assets valued at €125,000 located in Germany. This valuation did not change from last year. Last year, the exchange rate was €1.1 = $1. Today, the exchange rate is €0.8 = $1. By what amount did these assets change in value on th..

State any important assumptions you make in your analysis : Which pizza-baking oven would you select and why? State any important assumptions you make in your analysis.

A study of long-distance phone calls : A study of long-distance phone calls made from the corporate offices of General Electric revealed the length of the calls, in minutes, follows the normal probability distribution. The mean length of time per call was 5.2 minutes and the standard ..

Confidence interval for variance of transit time for goods : A random sample of 20 shipments gives days and day. Give a 95% confidence interval for the variance of the transit time for all goods.

Example of earnings management : Explain how the Kellogg transactions described could be interpreted as an example of earnings management.

How is an investor''s choice of which security to purchase : How is an investor's choice of which security to purchase related to his degree of risk aversion?

Correct iincome inequality by michael thompson : Which study is correct iincome inequality by Michael Thompson or economic context and Americans' perceptions if income inequality

Create histogram for data using initial class boundary : Draw the histogram for these data using an initial class boundary of and a class width of . Note that you can add or remove classes.

User Account

All Pages