A random vector (X,Y) has the joint density function Show that f (x,y) is a density. Guess
Question:
A random vector (X,Y) has the joint density function
Show that f (x,y) is a density. Guess whether X and Y are independent. Justify your answer. Write the marginal densities.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (QA)
First fofo fxydxdy 6 foxdx fy dy 1 The joint density fx y is ...View the full answer
Answered By
Jyoti Bansal
I have total 3 year experience in teaching of mathematics in college..as a home tutor I have a experience of 7 years in teaching of mathematics and economics..I have done bachelor of education degree also in 2013 and masters degree in 2015.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Business questions
-
A random vector (X,Y) has the joint density function Find c. Guess whether X and Y are independent. Justify your answer. Write the marginal densities.
-
The joint probability density function of the random variables X, Y , and Z is Find (a) the joint marginal density function of Y and Z; (b) the marginal density of Y; (c) (d) 4ryz? 4ryz, 0 < x, y <...
-
The joint probability density function of the random variables X, Y, and Z is find (a) The joint marginal density functions of Y and Z: (b) The marginal density of Y; (c) P (1/4 < X < 2 , Y > , KZ <...
-
Discuss the salient features of the international monetary system.
-
A separately-excited dc motor is mechanically coupled to a three-phase, four-pole, 30-kVA, 460-V, cylindrical-pole synchronous generator. The dc motor is connected to a constant 230-V dc supply, and...
-
Professor Adam has two children who, unfortunately, dislike each other. The problem is so severe that not only do they refuse to walk to school together, but in fact each one refuses to walk on any...
-
In the region just downstream of a sluice gate, the water may develop a reverse flow region as is indicated in Fig. P4.59 and Video V10.9. The velocity profile is assumed to consist of two uniform...
-
It costs a pharmaceutical company $40,000 to produce a 1000-pound batch of a drug. The average yield from a batch is unknown but the best case is 90% yield (that is, 900 pounds of good drug will be...
-
What are two problems that happens when an organization has tried to change? How successful was the change process?
-
Suppose that a r.vec. X = (X 1 ,X 2 ) has the distribution uniform on the circle (not a disk!) x 2 1 +x 2 1 = r 2 for a fixed r. This means that the vector X takes values (x 1 ,x 2 ) only from the...
-
Figure out whether the coordinates X 1 ,X 2 are independent in (a) Exercise 32, Let the two-dimensional density of a r.vec. where the length of the vector x. Find P(|X| > 2), E{X 1 }. (b) Example...
-
Airbnb, a popular home-sharing website founded in San Francisco in 2008, offers millions of homes for short-term rental in more than 190 countries. This company has revolutionized the sharing economy...
-
Are all of the steps in the marketing research process always followed in order? Why or why not? Give an example of a situation in which a step might be skipped in the marketing research project.
-
A television set sells for 3,000 U.S. dollars. In the spot market, $1 = 106 Japanese yen. If purchasing power parity holds, what should be the price (in yen) of the same television set in Japan?
-
List three important marketing research codes and provide a brief explanation of what purpose they are intended to serve.
-
Define sugging and frugging. Give an example of each.
-
What happens over time to the currencies of countries with higher inflation rates than U.S. inflation rates? To the currencies of countries with lower inflation rates?
-
Susan loaned $2,000 to her minister a year ago. The loan is not evidenced by a note and does not bear interest. The minister has moved out of town without paying her back. She doesn't want to...
-
Can partitioned join be used for r r.A s? Explain your answer
-
a. Which taxes are specifically deductible for federal income tax purposes under Sec. 164? b. If a tax is not specifically listed in Sec. 164, under what circumstances may it still be deductible?
-
If Susan overpays her state income tax because of excess with holdings, can she deduct the entire amount in the year withheld? When Susan receives a refund from the state how must she treat that...
-
What is an ad valorem tax? If a tax that is levied on personal property is not an ad valorem tax, under what circumstances may it still be deductible?
-
The following questions is based on strategic leadership. What is the opinion of employees on strategic leadership? How does strategic leadership approach used by the leader provide employees...
-
What characteristic best aligns with the leadership trait of sociability ?
-
Were the public relations tactics of the food industry ethical? Why or why not? I am always amazed when I watch a documentary about something I think I already know, then learn so much more. The role...
Study smarter with the SolutionInn App