Let X be a random variable, and a be a constant Use the formula Var(X) E (X EX) 2 to find Var(aX), and simplify it to show that Var(aX) a 2 Var(X) ...

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

Let X be a random variable, and a be a constant. Use the formula Var(X) = E

Question:

Let X be a random variable, and a be a constant. Use the formula Var(X) = E

(X − EX)

to find Var(aX), and simplify it to show that Var(aX) = a 2 Var(X).

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

Step by Step Answer:

Related Book For book-img-for-question

Mathematics And Statistics For Science

ISBN: 9783031053177

1st Edition

Authors: James Sneyd, Rachel M. Fewster, Duncan McGillivray

See More Books

Question Posted: Sep 21, 2024 02:03 PM

See More Questions

Show that an emission tax and an absolute emission standard are equivalent instruments to regulate a polluting monopolist if and only if the standard is binding.
Read Case Study "Disrupted Links in the Performance Management Process at Omega, Inc". The six links in the performance management process outlined in the text are interrelated. If any of the links...
Firms auditing public entities are required to have periodic inspections conducted by the PCAOB. Required: a. What are the major characteristics of PCAOB inspections? b. What types of firms typically...
Let X be a random variable, and a be a constant. Use the formula Var(X) = E (X EX) 2 to find Var(aX), and simplify it to show that Var(aX) = a 2 Var(X).
1. Put yourself in Has situation, and analyze the pros and cons of his workers proposition. Employees Fight to Save the Farm Hamakua Springs Country Farms, located on the slopes of Mauna Kea on the...
Suppose Captal One is adveritsing a 60 -month, 5.28% ApR motorcycle loan. If you need to borrow 57,800 to purchase your dream Harioy-Davidach, what will be your monthy payment? (Note: Be cereful not...
Let X be a random variable, and b be a constant. Use the formula Var(X) = E (X EX) 2 to find Var(X +b), and simplify it to show that Var(X + b) = Var(X).
Let X Binomial(4, 0.5). Write out R commands to take a sample of size one million from X, and check whether the sample variance agrees with the formula Var(3X) = 3 2Var(X).
Policies, such as a sexual harassment policy, are plans that set guidelines for the behavior of organizational members.
1. Summary of the Case Click or tap here to enter text 1. Summary of the Case Ick or tap here to enter t
Question 4 2 pts You have been asked to track the changes within the linear motion of the pelvis during a squat. At the initial position the pelvis was located at (5, 93) at 0 seconds. At the lowest...
Use synthethic division to determine is number K is a zero of F{.'x} f(a:)= 2$4=w33$+4;k=2 use synthetic division to determine if the number K is a zero of the Possible answers: a. yes is a zero b....
Statue Corporation's balance sheet at January 1, 20X7, reflected the following balances Assets Cash & Receivables Inventory Land Income Taxes Payable $ 82,000 135,000 67,000 Bonds Payable Buildings &...
On June 1, 2024, Ivanhoe, Inc. issued $6,880,000, 6% bonds for $6,743,260, which includes accrued interest. Interest is payable semiannually on February 1 and August 1 with the bonds maturing on...
A mercury manometer is connected at two points to a horizontal 20ｰC water pipe flow. If the manometer reading is h 35 cm, what is the pressure drop between the two points? (2)...
Use the method of Example 4.29 to compute the indicated power of the matrix. 1 0 1
=+5.17. (a) Suppose that X, - p X and that f is continuous. Show that f(X) >p f(X). (b) Show that E[X - X,] -> 0 implies X1 , X. Show that the converse is false.
=+5.18. 2.201 The proof given for Theorem 5.3 for the special case where the u ,, are all the same can be extended to cover the general case: use Problem 2.20.
=+5.19. 2.181 For integers m and primes p, let @ (m) be the exact power of p in the prime factorization of m: m = II ,pap(m). Let 8 (m) be 1 or 0 as p divides m or not. Under each P ,, (see (2.34))...
assessment-player/index.html?launchid-11a53499-0a2f-43b6-a993-db917acf7ecb#/question/ Question 4 of 4 -/3 E Liabilities and Owner's Equity 0 acer
2 Hamilton Inc purchased a new machine on April 1, 2017 at a cost of $172,000. The company estimated the machine would have residual value of $16,000. It has a 4 year life and is expected to be used...
Ending Finished Goods Inventory Budget Play-Disc makes Frisbee-type plastic discs. Each 12-inch diameter plastic disc has the following manufacturing costs: Direct materials $1.75 Direct labor 0.55...

Let X be a random variable, and a be a constant. Use the formula Var(X) = E

Question:

Step by Step Answer:

Mathematics And Statistics For Science

Students also viewed these Business questions