Let X ~ ^ be a chi-square variable with n degrees of freedom. Prove that E[X] =

Question:

Let X ~ χ^ be a chi-square variable with n degrees of freedom. Prove that E[X] = n.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Quantitative Methods An Introduction For Business Management

ISBN: 1579

1st Edition

Authors: Paolo Brandimarte

See More Books

Question Posted: Jul 12, 2024 02:04 AM

See More Questions

In this question assume that p and q are atomic formulae. (a) Compare and contrast path formulae and state formulae in temporal logic. [4 marks] (b) Describe and contrast the meanings of F(G p) and...
4.35. Let X1 and X2 be independent random variables that are chi-square distributed with v1 and v2 degrees of freedom, respectively, (a) Show that the moment generating function of Z X1 X2 is ,...
Determine the hazard rate function for the random variable Exercise 8 (#1.22). Let v be a measure on a o-field F on ? and f and g be Borel functions with respect to F. Show that (i) if f fdy exists...
What is Norway's global health issues and how can they be combated? explain
Define stock dividend. How does it differ from a cash dividend?
Sydney, a single taxpayer, had $80,000 in adjusted gross income in year 2. During the year, she contributed $15,000 to her church. She also had a $17,000 contribution carryover from her year 1 church...
Understand the current and long-established fashion calendar. LO.1
On December 31, the trial balance shows wages expense of $600. An additional $200 of wages was earned by the employees, but has not yet been paid. Analyze this adjustment for wages using T accounts,...
Hal was awarded a $13,000 scholarship to attend State Hotel School. All scholarship students must work 20 hours per week at the school residency during the term. How much is the taxpayer required to...
You have just issued a replenishment order to your supplier, which is not quite reliable. You have ordered 400 items, but what you will receive is a normal random variable with that expected value,...
You work for a manufacturing firm producing items with a limited time window for sale. Items are sold by a distributor facing uncertain demand over the time window, which we model by a normal...
In 2011 the United States was in a recession. What would be the expected effect of a recession on accounts receivable turnover ratios?
You have been employed as a systems analyst in the information systems organization of a medium-sized consumer goods manufacturer for three years. You are quite surprised when your manager offers you...
For your initial post, address the following: First, introduce yourself to the class by sharing a bit about yourself, such as your preferred name or pronouns, where you are from, what your major is,...
Question 8 : Consider the technology of Solar Panels. Which stage of the technology life cycle S curve is this technology in. Justify why ? Question 9 : The standard Product Life Cycle has 5 stages...
At Benihana restaurant a man wrenched his neck while ducking a piece of flying shrimp, requiring treatment by several doctors. By that summer, doctors determined surgery was necessary to treat...
You have just come into an inheritance of $25,000 from a distant relative, and you want to invest it for the long term. Provide an investment portfolio that includes five different stocks. Report the...
Managers should consider only additional revenues and separable costs when making decision about selling at split off or processing further. Do you agree? Explain.
Refer to the Conservation Ecology (Dec. 2003) study of the causes of forest fragmentation, presented in Exercise 2.166 (p. 97). Recall that the researchers used advanced high-resolution satellite...
As a Financial Analyst in the Finance Department of Zeta Auto Corporation they are seeking to expand production. The CFO asks you to help decide whether the firm should set up a new plant to...
Chapter 4 When an Auditor finds misstatements in entities financial statements which may be the result of fraudulent act, what should be the role of an auditor under that situation? (2 Points)
Suppose the following input prices are provided for each year: Required: $

Let X ~ ^ be a chi-square variable with n degrees of freedom. Prove that E[X] =

Question:

Step by Step Answer:

Quantitative Methods An Introduction For Business Management

Students also viewed these Business questions