Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jul 05, 2024

Please type the answers. 1. Given Var(X) = 2 and Var(Y ) = 1, what is Var(X 3Y )? A. -1 B. 11 C. -7

Please type the answers.

1. Given Var(X) = 2 and Var(Y ) = 1, what is Var(X 3Y )?

A. -1

B. 11

C. -7

D. There is not enough information to determine the value of Var(X 3Y ).

2- Which of the following is a valid PDF of a continuous random variable X?

\f0.3 for x = 3 0.2 for x = 5 Px (a) = 0.3 for x = 8 0.2 for * = 10 0 otherwise Find Var(X)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Real Analysis On Intervals

Authors: A D R Choudary, Constantin P Niculescu

1st Edition

8132221486, 9788132221487

More Books

Students also viewed these Mathematics questions

Question

★★★★★

Refer to Practice 3-9. Sales for the year totaled $50,000. Compute asset turnover.

Answered: 1 week ago

Question

★★★★★

a. A firm issues a zero-coupon bond with a face value of $1,000, maturing in five years. Bonds with similar risk are currently yielding 5 percent per year. What is the value of the bond? b. A firm...

Answered: 1 week ago

Question

★★★★★

For the multiple regression model ???? = ????0 + ????1????1 + ????2????2 + ????, what is the expected change in ???? when (a) ????1 is increased by one unit and ????2 is held fixed? (b) ????2 is...

Answered: 1 week ago

Question

★★★★★

Northwest Sales had the following transactions in 2016: 1. The business was started when it acquired $200,000 cash from the issue of common stock. 2. Northwest purchased $900,000 of merchandise for...

Answered: 1 week ago

Question

★★★★★

1 naryulineU 0 nequilt isu 4 necyultisu 5 neryuitive 0 meryuitisu , rmeyuitives 0 Prepare an income statement for the three months ended December 3 1 , 2 0 2 1 .

Answered: 1 week ago

Question

★★★★★

Estimating the pipe wall friction is one of the most common tasks in fluids engineering. For long circular pipes in turbulent flow, the wall shear stress Tw is a function of the density p, viscosity...

Answered: 1 week ago

Question

★★★★★

b) Suppose you and your friend are communicating using Facebook that is running inside a chrome web browser on both of your Laptops. Now, in both of your chrome browser, multiple tabs are open. Your...

Answered: 1 week ago

Question

★★★★★

Employee Gross pay Payroll Register Chinson EERF Wayland EERF Peppinico EERF Success General General Cooper EERF Hissop EERF EERF Journal Ledger Complete the payroll register for the December 15 pay...

Answered: 1 week ago

Question

★★★★★

Answer the essay: Each of you must write down a certain business. Think of the materials needed in the business. A. Where are you going to get the materials? B. Are the materials needed from the...

Answered: 1 week ago

Question

★★★★★

Explain why developing clear research objectives is so crucial to business research. Use the editor to format your answer

Answered: 1 week ago

Question

★★★★★

A die is rolled and value is recorded. The table shows the results of 20 rolls. 3 3 1 4 6 4 st 4 2 1 3 2 2 2 4 3 2 6 3 4 6 (a) Complete the probability distribution table. X P(X) 1 2 3 4 5

Answered: 1 week ago

Question

★★★★★

During the next week, pay attention to evidence cited by others in public presentations. You might note what evidence is used on news programs, by professors in classes, and by special speakers on...

Answered: 1 week ago

Question

★★★★★

To what extent is the content of media controlled by powerful corporations?

Answered: 1 week ago

Question

★★★★★

Visit your schools career planning and placement offi ce. Ask to speak with someone who is familiar with nonprofi t organizations. Talk with this person to learn about opportunities for service that...

Answered: 1 week ago

Previous Question Next Question