Recent study of long distance phone calls, Macroeconomics

Assignment Help:

A recent study of long distance phone calls made from WPU, showed that the length of the calls follows the normal probability distribution with a mean of 3.2 minutes per call and a standard deviation of 0.50 minutes. (a) What fraction of the calls last between 3.2 and 4 minutes? (b) What fraction of the calls last more than 4 minutes? (c) What fraction of the calls last between 4 and 4.5 minutes? (d) What fraction of the calls last between 3 and 4.5 minutes?


Related Discussions:- Recent study of long distance phone calls

Correlation of investment and interest rate, Suppose the demand for loanabl...

Suppose the demand for loanable funds was stable but the supply fluctuated from year to year. what cause fluctuate in supply?

Market supply of labour, Use a graphical illustration to describe briefly w...

Use a graphical illustration to describe briefly what the influence of each of the following would be on the market supply of labor:(a) an increase in immigration (b) more women en

Financial crisis in terms of adverse, Briefly explain the dynamics of the 2...

Briefly explain the dynamics of the 2007 financial crisis in terms of adverse selection and moral hazard.

Heckscher-ohlin model, Which of the following statements regarding the heck...

Which of the following statements regarding the heckscher-ohlin model and Ricardian trade theory is TRUE? a. Both the Heckscher-Ohlin and Ricardian models are current, relevant,

What are the capitalist countries in the world, Capitalism is the dominant,...

Capitalism is the dominant, most used form of government there is in the globe today. Presently, over 80% of countries use capitalism and a free market economy.

Help .., I need help with Creating a table showing the CAGR of GDP by decad...

I need help with Creating a table showing the CAGR of GDP by decade and over the entire period of time

As-ad model with inflation, Q. AS-AD model with inflation? When we have...

Q. AS-AD model with inflation? When we have inflation, both AD curve and AS curve will be gliding. 'The glide rate' of the AD curve is given by Π M whereas it is Π W that appli

Aggregate supply in as-ad model, Q. Aggregate supply in AS-AD model? In...

Q. Aggregate supply in AS-AD model? In order to figure out all the variables in AS-AD model, we need one more equilibrium condition so that we can identify a unique point on AD

Consumption , . (40 points) Consider two consumers, A and B. A and B both w...

. (40 points) Consider two consumers, A and B. A and B both want perfect consumption smoothing (c = cf) and both have no current wealth. However, the two consumers have different i

Write Your Message!

Captcha
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