Question: please solve part a only on page by clear handwriting LetZ=X+Y A) Using only the properties ot'the expectations. prove the expression that gives the variance

please solve part a only on page by clear handwriting

LetZ=X+Y A) Using only the properties ot'the expectations. prove the expression that gives the variance of Z as a function of only: of the standard deviation of): from that of Y and the correlation coefcient between these two variables

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The new line character is utilized solely as the last person in each message. On association with the server, a client can possibly (I) question the situation with a client by sending the client's...

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

This text was adapted by The Saylor Foundation under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License without attribution as requested by the work's original creator or licensee. 1...

In Chapter 3, you were introduced to 3 types of costs associated with a manufactured product ? direct materials, direct labor, and manufacturing overhead. Explain how these costs are associated with...

Instructions: 1. Mention the parties involved in the case, duly identified as plaintiffs or defendants, etc. 2. What is the main controversy that arises in the case. (The controversy It is always...

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

ttth Suppose that the sequence of bags {Bn | n N} is recursively enumerated by the computable function e(n, x) = fn(x), [7 marks] Hence prove that the set of all recursive bags cannot be recursively...

1. In 2013, several data server companies took a dramatic decision to begin using energy surcharges to recapture rising energy costs. However, customers are critical of how the energy surcharges are...

What is gene conversion?

1.2 y ).1 12(x)=x -3 4-x-36 1 GV -0.1 One method for finding the limit as x->9 of the given function is to multiply the numerator and the denominator by (+3). Doing so would produce (-9) 4(x-9)(+3)...

After correctly posting from the journals, the total debit balance amounts may be different than the total credit balance amounts in the general ledger. True or false?

George, the new department supervisor, wondered if he couldnt have spent his retirement from the Navy in a more relaxed atmosphere. He had just accepted a position at the Stevenson Company, which had...

The Svenson Corporation manufactures cellular modems. It manufactures its own cellular modem circuit boards (CMCB), an important part of the cellular modem. It reports the following cost information...

The bioconversion of glucose to ethanol is carried out in a packed-bed, immobilized cell bioreactor containing yeast cells entrapped in Ca?alginate beads. The rate-Iimiting substrate is glucose, and...

Consider the data for Lavare in Problem 1. We now assume that Lavare can change the size of the workforce by laying off or hiring employees. Hiring a new employee incurs a cost of $1,000; laying off...

When 10 British Army soldiers on a 10-day training exercise descended into Low's Gully, a narrow chasm that cuts through Mt. Kinabalu in Borneo, each knew "the golden rule for such expeditionsnever...

Charlie's Pizza orders all of its pepperoni, olives, anchovies, and mozzarella cheese to be shipped directly from Italy. An American distributor stops by every six weeks to take orders. Because the...

10. What is meant by the statement, it is the expectation that something will happen that creates actions?.

8. Why do we select some facts and not others when we want to communicate something to others?

6. How can hidden knowledge guide our actions?