United states postal service, Macroeconomics

Assignment Help:

The United States postal service report 95% of first class mail within the same city is delivered within two days of the time of mailing. Six letters are randomly sent to different locations. A) What is the probability that all six arrive within two days? B) What is the probability that exactly five arrive within two days? C) Find the mean number of letters that will arrive within two days? D) Compute the variance and standard deviation of the number that will arrive within two days.


Related Discussions:- United states postal service

Give detail explanation of exchange rate, Give detail explanation of Exchan...

Give detail explanation of Exchange Rate In most countries, exchange rate is expressed using foreign currency as base currency. For instance, in Denmark, USD exchange rate woul

What are the important tools of making decisions, What are the important to...

What are the important tools of making decisions? Making Decisions: a. How economists model decision making through individuals and firms b. Implicit costs and Explicit-C

Firms in the circular flow, We divide all firms into 3 categories: FR inclu...

We divide all firms into 3 categories: FR includes all firms which acquire raw material (iron ore, farm products and so on), FH all those that produce semi-manufactured goods (stee

Permanent Income, 5. In this question you should assume that the Marginal P...

5. In this question you should assume that the Marginal Propensity to Consume out of permanent income is one [i.e., no bequest motive + perfect consumption smoothing: c1, = c2 = c

Steady state in solow model, conditions for steady state in solow model.in ...

conditions for steady state in solow model.in what respects is golden rule different from steady state?

Determine the velocity of circulation, The demand for nominal balances rise...

The demand for nominal balances rises with the price level. At the similar time inflation causes the real demand for money to fall. Describe how these two assertions can be both co

Explain about penicillic acid, Q. Explain about Penicillic Acid? This m...

Q. Explain about Penicillic Acid? This mycotoxin has biological properties similar to patulin. It is produced by a large number of fungi, including many Penicillia as well as m

Define the consumer prices index, Define the Consumer Prices Index Ever...

Define the Consumer Prices Index Every month, the Office for National Statistics (ONS) collects information on about 120,000 prices for a 'shopping basket' of about 650 goods a

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