Let X, Y be independent stochastic variables with standard deviation respectively X and Y , and let Z aX (1 a)Y Let Z be Zs standard deviation For which value(s) of a is Z the smallest ...

The Answer is in the image, click to view ...

Let X, Y be independent stochastic variables with standard deviation respectively X and Y ,

Question:

Let X, Y be independent stochastic variables with standard deviation respectively σ_X and σ_Y, and let Z = aX + (1 − a)Y. Let σ_Z be Z’s standard deviation. For which value(s) of a is σ_Z the smallest?

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

Step by Step Answer:

Related Book For answer-question

The Bayesian Way Introductory Statistics For Economists And Engineers

ISBN: 9781119246879

1st Edition

Authors: Svein Olav Nyberg

See More Books

Question Posted: Mar 17, 2024 08:00 AM

See More Questions

Microkernel operating systems aim to address perceived modularity and reliability issues in traditional "monolithic" operating systems. (i) Describe the typical architecture of a microkernel...
CANMNMM January of this year. (a) Each item will be held in a record. Describe all the data structures that must refer to these records to implement the required functionality. Describe all the...
PLEASE GIVE CORRECT ANSWERS Prove that the number of comparators in any sorting network is (n log n). [4 marks] (ii) What does Part (d)(i) imply in terms of the depth of any sorting network? [1 mark]...
A company estimates that the marginal cost (in dollar per item) of producing x items is 1.73 - 0.004x. if the cost of producing one item is $566, find the cost of producing 100 items. (Round your...
The following graph shows the market for euros in terms of the Thai Baht. The market is initially in equilibrium at two baht per euro and 16 billion euros traded per day. Suppose the baht falls in...
Because of the acidic conditions, this reaction proceeds by an SN1 mechanism. Which hydroxy group acts as the leaving group in the reaction? Show all the steps in the mechanism for this reaction: ,,
Pick an industry and a product or service. Engage in a creative-thinking process, as outlined in Chapter 11, to generate an improved offering. Do the same to create an entirely new offering that uses...
The balance sheet data of Wyeth Company at the end of 2010 and 2009 follow. Land was acquired for $30,000 in exchange for common stock, par $30,000, during the year; all equipment purchased was for...
Explain briefly why countries trade If two countries, Chile and Agentina start to trade, what will determine what each country will exportor import? Explain why countries do not produce everything...
You have a fair $D_{60}$ die with the numbers $0 \ldots 59$ printed on each face. Find the expected value and standard deviation of the outcomes from a single toss, and find the probability that...
Find Z and Z , when ... (a) ZX-Y, Mx = 4, x = 3, y = -3, y = 2; (b) Z = X+X+ X3, and = 0x = 4, 0x3 = 12; MX (c) Z=1Xk and x = k and x = =1 (d) Z = X and MXk X and x = 14 and x = 4; ox (e) Z=kX and...
Find x when f(x) = 6. Let f (x) = -3x + 7
Explain jurisdiction. What is subject matter jurisdiction?
Compare and contrast loan application in bank and nonbanking institutions by using the Venn Diagram below. see reference below. What's In www Directions: Compare and contrast loan application in bank...
Horizon Inc. has a Canadian receivables contract for $200,000 due in 270 days. The firm has been approached by a factoring firm that offers to purchase the receivables at a 12.6% per annum discount...
Describe how what the organization hopes to accomplish may differ between product and service design. Specifically: Explain what a product-oriented organization would hope to accomplish most from the...
Compare and contrast the difference between leaders and managers. Why do health organizations require both? Please be detailed in your explanation, include references and in-text citation.
How does the mean free path k and the number of collisions of each molecule per unit time depend on the absolute temperature of an ideal gas undergoing (a) An isochoric process; (b) An isobaric...
Prove the following D,(cos x) = - sin x (Hint: Apply the identity cos(A + B) = cos A cos B sin A sin B)
Distinguish clearly between mass marketing and target marketing. Use an example.
Why is the target market placed in the center of the four Ps in the text diagram of a marketing strategy (Exhibit 2-4)? Explain, using a specific example from your own experience.
If a company sells its products only from a website, which is accessible over the Internet to customers from all over the world, does it still need to worry about having a specific ta r get market?...
Discuss feminist ideology a) What is feminism as an ideology? How do feminists explain and understand the root cause of gender inequality and what do they propose to do? Include a discussion of...
You invest $ 1 , 1 0 0 at a 1 2 % annual interest rate, stated as an APR. Interest is compounded monthly. How much will you have in 1 . 5 years? In 2 years? ( Do not round intermediate calculations....
Show Attempt History Current Attempt in Progress Crane Manufacturing uses a job-order costing system. On May 1, the company has a balance in Work in Process Inventory of $3,500 and two jobs in...

Let X, Y be independent stochastic variables with standard deviation respectively X and Y ,

Question:

Step by Step Answer:

The Bayesian Way Introductory Statistics For Economists And Engineers

Students also viewed these Business questions