User Account

All Pages

Compute the mean and variance of x

Assignment Help Basic Statistics
Reference no: EM132643353

Consider the distribution fX(x) = θx^(θ-1) where 0 < x < 1 and 0 < θ < ∞.

a) Show that this is a pdf.

b) Compute the mean and variance of X.

c) Find the pdf of the transformation Y = X^2 and verify that it integrates to one.

d) Using your results in c), compute the mean of Y . How does this compare with your results in b)?

Reference no: EM132643353

Questions Cloud

Provide an accurate valuation of a firm : How do Provide an evaluation of the selected firm's strengths and weaknesses. Based on the ratios, how well does your chosen firm perform? Explain.
Which is influence on commerce : Describe an instance where a government has taken some action the result of which is influence on commerce.
What are the main determinants of a company exposure : Discuss whether you agree or disagree that well designed CEO pay system can resolve agency problem in order to avoid suboptimal corporate policies
Current forensic acquisition tools : Create an Excel spreadsheet or an open-source equivalent that specifies vendor name, name of acquisition tool, raw format, validation methods,
Compute the mean and variance of x : a) Show that this is a pdf. b) Compute the mean and variance of X.
Compute for the correct balance of inventory as of december : Compute for correct balance of inventory as of December 31, 20x1. The count includes inventory amounting to P30,000 received from XYZ, Inc. under a consignment
What is the probability that the stock returns : What is the probability that the stock returns less than 17%?
Authentication system in our demilitarized zone : What happens when we place the authentication system in our demilitarized zone (DMZ)-that is, in the layer closest to the Internet?
What is the probability that both are sixes : (a) What is the probability that both are sixes given that at least one die is a six?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Why might normality be an issue here

A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages On each page, the mean area devoted to display ads was measured (a display ad is a large block of multicolored illustrations, map..

  Multi-modal four directors of quik build

If the standard deviation for a set of scores was 0 (zero) what can you say about the distribution? (a) the mean is 0

  Find expected value and standard error for difference

A coin is tossed 100 times. The difference "number of heads - number of tails" is like the sum of 100 draws from one of the following boxes. which one, and why?

  Standard error of distribution of differences in sample mean

Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2.

  Computer communication channel transmits words

A computer communication channel transmits words of n bits using an error-correcting code which is capable of correcting errors in up to k bits.

  Measure accomplishment of fundamental objectives

Describe in your own words the difference between a means objective and a fundamental objective. Why do we focus on coming up with attribute scales that measure accomplishment of fundamental objectives, but not means objectives? What good does it ..

  How might operationalize relationship conflict

A researcher interested in the cultural values of individualistic and collectivistic societies collects data on the rate of relationship conflict experienced.

  Normal population will have a standard score

Find the probability that a data value picked at random from a normal population will have a standard score (z) that lies between the following pairs of z-value

  Compute the probability that the sample mean

Let 1, 2, . . . , n form a random sample of size from some probability distribution with mean and variance 2. If is greater than 60,

  What is the change in price the bond will experience

You believe that in one year, the yield to maturity will be 7.0 percent. What is the change in price the bond will experience in dollars?

  Design and apply quantitative tools in financial markets

Synthesis and evaluate findings and present same in a professional manner to a varied audience

  Mean and standard deviation of the total number

If they have 18 trucks, what are the mean and standard deviation of the total number of parking tickets the company will have to pay this month?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd