Let A be symmetric, Y ' N(O, V), and Wl, ... ,Ws be independent X2 (1) random

Question:

Let A be symmetric, Y '" N(O, V), and Wl, ... ,Ws be independent X2 (1) random variables. Show that for some value of 8 and some numbers Ai, Y' AY '" E:=l AiWi.

Hint: Y '" QZ so Y' AY '" Z'Q' AQZ. Write Q' AQ = P D(Ai)P'.

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

Step by Step Answer:

Related Book For book-img-for-question

Plane Answers To Complex Questions

ISBN: 9780387953618

3rd Edition

Authors: Ronald Christensen

See More Books

Question Posted: Sep 02, 2024 05:02 AM

See More Questions

The drawing shows a jet engine suspended beneath the wing of an airplane. The weight W of the engine is 10 200 N and acts as shown in the drawing. In flight the engine produces a thrust T of 62 300 N...
Paiscik Corp., completed the following transactions in 2016: Jan 1 Purchased a building costing Si 90.000 and signed a 10%, 15-year mortgage note payable for the same amount. Jun 30 Made the first...
Cuso Company purchased equipment on January 1,1997 , at a total invoice cost of $\$ 400,000$. The equipment has an estimated salvage value of $\$ 10,000$ and an estimated useful life of 5 years....
=+8. Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts the number of packages. If historically, only 1 package out of 50 is...
For its most recent fiscal year, Carmichael Hobby Shop recorded EBITDA of $512,725.20, EBIT of $362,450.20, zero interest expense, and cash flow to investors from operating activity of $348,461.25....
ACCOUNTING EQUATION WORKSHEET :- CHOOSE 5 CORRECT OPTIONS FOR THE DESCRIPTION OF THE TRANSACTION FROM THE FOLLOWING :- Analyze the following accounting equation worksheet for Sealy Yacht Repair...
(a) Show that for Example 1.0.1 the perpendicular projection operator onto C(X) is 25 15 5 -5 -15 -25 15 9 3 -3 -9 -15 16 1 5 3 1 -1 -3 -5 M= (/6 + 70 -5 -3 -1 1 3 5 -15 -9 -3 3 9 15 -25 -15 -5 5 15...
Let Y = (Yl, Y2, Y3)' have a N(J1" a2 J) distribution. Consider the quadratic forms defined by the matrices Ml , M2 , and M3 given below. (a) Find the distribution of each Y'MiY. (b) Show that the...
AIDS-related risk factor. Use the plus-four method to calculate a 95% confidence interval for the prevalence of multiple sexual partners in adult heterosexuals using the information in Exercise 16.1....
An individual has presented to you with the follow symptoms, what is a likely diagnosis? A female client was referred to you due to a report of neglect of her children. Her 5 and 9 year old children...
Nathan is frustrated with his instructor. He just doesn't understand Professor Jovian's lectures. Nathan is viewing lectures under what communication model? A. Public sphere model B. Interaction...
1. A crosshead tool is subjected to 4 forces as shown in the figure. Determine the magnitude of the resulting force.
QUESTION 1 Q1 Choose one . 5 points A moving electron has_ Only an electric field O Only a magnetic field O Both electric and magnetic fields O Neither electric or magnetic fields. QUESTION 2 Q2...
4. A boy is standing at the base of a tree. In the Bee are his "friends" throwing water-balloons full of hot sauce at him. It's not a prettyr scene. Our hero wants to hit one of (if not all of) these...
For each of the following items, indicate whether it would be added to (A) or deducted from (D) net income to arrive at net cash flow provided by operating activities under the indirect method....
What is the amount of total interest dollars earned on a $5,000 deposit earning 6% for 20 years?
Radelet (1981) gives data on the relationship between race and the imposition of the death penalty. The data are given in Table 3.2. Analyze the data. TABLE 3.2. Race and the Death Penalty Defendants...
Complete an analysis similar to that of Example 3.4.2 for the auto accident data of Example 3.2.4.
Complete an analysis similar to that of Example 3.4.2 for the classroom behavior data of Example 3.0.1.

Let A be symmetric, Y ' N(O, V), and Wl, ... ,Ws be independent X2 (1) random

Question:

Step by Step Answer:

Plane Answers To Complex Questions

Students also viewed these Business questions