Demonstrate, using notation, that E(x + k) = E(x) + k.

Question:

Demonstrate, using Σ notation, that E(x + k) = E(x) + k.

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

Step by Step Answer:

Related Book For book-img-for-question

Statistics For Economics Accounting And Business Studies

ISBN: 978027368308

4th Edition

Authors: Michael Barrow

See More Books

Question Posted: Aug 25, 2020 08:06 AM

See More Questions

Demonstrate, using notation, that V(kx) = k 2 V(x).
Suppose that we wish to integrate the same function g(x) as in Example 12.4.1. a. Use the method of control variates that was described in Exercise 13 to estimate g(x) dx. Let h(x) = 1/(1 + x2) for...
Show that E(X - k)2 = var (X) + [E(X) - k]2. For what value of k will E(X - k)2 be minimum? And what is that value of k?
Bill and Mary are married. Mega Corporation employs them both. In 2018, Mary earned $70,000 and Bill earned $135,000, in both cases W-2 wages. How much FICA tax were they required to pay for 2018?
Interpret the results of Problem 22 with both a graph and a description of the graph.
List the house price in Belizean dollars: $510,000 Show conversion and the price in American dollars: $253,615.45 11. If you invested $350 monthly 3.5% interest compounded monthly, how much money do...
For each of the following situations, calculate a $95 \%$ confidence interval for the mean ( $\sigma$ known), beginning with the step, "Identify the critical value of $z$." X = 7.00, o Xe =...
On August 1, 2016, Rafael Masey established Planet Realty, which completed the following transactions during the month: a. Rafael Masey transferred cash from a personal bank account to an account to...
Elements of the Marketing sector in relation to the Real Estate industry in Marbella. Discuss the size of the sector, its economic importance to the industry in Marbella, number of people employed,...
The motion picture industry is a competitive business. More than 50 studios produce a total of 300 to 400 new motion pictures each year, and the financial success of each motion picture varies...
A bond is issued which promises to pay 400 per annum in perpetuity. How much is the bond worth now, if the interest rate is 5%? The sum of an infinite series of the form is 1/r, as long as r > 0.) 1...
Criticise the following statistical reasoning. The average price of a dwelling is 54 150. The average mortgage advance is 32 760. So purchasers have to find 21 390, that is, about 40% of the purchase...
Let Find the following. (a) z/dy (b) z/dx(0, 2) (c) xx (-1, 0) z = f(x, y): x + y x - y.
We can model the motion of a dragonfly's wing as simple harmonic motion. The total distance between the upper and lower limits of motion of the wing tip is $1.0 \mathrm{~cm}$. The wing oscillates...
A woman wearing an in-ear hearing aid listens to a television set at a normal volume of approximately $60 \mathrm{~dB}$. To hear it, she requires an amplification of $30 \mathrm{~dB}$, so the...
Bats are sensitive to very small changes in frequency of the reflected waves. What information does this allow them to determine about their prey? A. Size B. Speed C. Distance D. Species As discussed...
When the heart pumps blood into the aorta, the pressure gradient-the difference between the blood pressure inside the heart and the blood pressure in the artery-is an important diagnostic...
The mass in a pendulum clock completes one complete swing in $1.00 \mathrm{~s}$. What is the length of the rod?
Janice, age 22, is a student who earns $10,000 working part-time at the college ice cream shop in 2016. She has no other income. Her medical expenses for the year total $3,000. During the year, she...
Give an example of transitory income. What effect does this income have on the marginal propensity to consume?
A researcher is interested in whether participating in sports positively influences self-esteem in young girls. She identifies a group of girls who have not played sports before but are now planning...
The researcher in exercise 5 in Chapter 9 decides to conduct the same study using a within-subjects design to control for differences in cognitive ability. He selects a random sample of subjects and...
What is/are the advantage(s) of conducting a study with three or more levels of the independent variable?
1. Electric potential is given by V=6x-8xy-8y+6yz - 4z Then magnitude of electric force acting on 2C point charge placed on origin will be :- (1) 2N (2) 6N (3) 8N (3) 8N (4) 20 N 2. Figure shows...
17. A concave mirror produces a real image 10mm tall, of an object 2.5mm tall placed at 5cm from the mirror. Calculate focal length of the mirror and the position of the image. 18. An object is...
23. A convex mirror used for rear view on an automobile has a radius of curvature of 3m. If a bus is located at 5m from this mirror, find the position, nature and magnification of the image. 24. An...

Demonstrate, using notation, that E(x + k) = E(x) + k.

Question:

Step by Step Answer:

Let total number of data n Formul...View the full answer

Statistics For Economics Accounting And Business Studies

Students also viewed these Mathematics questions