Let X,Y be continuous random variables with joint density function if 0 < x < 1,x < y < 1 f (x, y) = { 8xy otherwise. Calculate the covariance of X and Y.

Q: The joint probability densíty function of the lar random variables, up fx,y (xiy)= cx,0<y<x<1,44…

A: f(x,y) = cx , 0 &lt;y&lt;c&lt;1.44   a) We know that,

Q: a) Check whether X and Y are independent

A:

Q: Show E(X)

A: Here given joint distribution of x and y

Q: The random variables X and Y are independent to each other. The probability density functions of X,…

A: Given the pdf of the independent random variables X and Y as fXx=2x , 0&lt;x&lt;1 fYy=1 ,…

Q: Let X and Y be random variables with joint density function, f(x, y) = e¯ª,0. If Z = X + 2Y and W =…

A: Given,  joint density function of x and y f(x,y) = e-x,0 if Z=X+2Y and W=X

Q: Let x and y be joint continuous random variable with joint pdf   f XY (x, y) = {  cx+ 1, x, y≥ 0,…

A: 1) The joint probability density function of X and Y is given below: Thus, the value of constant…

Q: Let X and Y has joint probability density function f(X, Y) = 81 - , 0 <x< 3, 0 <y< 3. Find E(X).

A: The joint probability density function is, fX,Y=x2y281,0&lt;x&lt;3,0&lt;y&lt;3

Q: for r, y > 0, f(x, y) = (1+x)2.(1+xy)² > 0, otherwise. Show that X and X Y are independent,…

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Q: The joint density of X and Y is given by, 6 fxr (x, y) = (x² + 0l) b) Find the marginal probability…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: value

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Q: Suppose that the random variable X has density fx (x) = 4x³ for 0 X).

A: Independence of pdf applied.

Q: Let X and Y be two continuous random variables having joint pdf fX,Y (x, y) = (1 + XY)/4 , −1 ≤x ≤1,…

A: Given that, X and Y are two continuous random variables. The joint pdf of X and Y is given as:…

Q: Let Y,,Y,.,Y, be a random sample of size n from the gamma, distribution with probability density…

A: the probability distribution function is given by fy(y,θ) =1(r-1)!θyyr-1 e-yθ ,y&gt;0 the likelihood…

Q: Let X and Y be jointly cantinuous random variables with joint PDF is given: $ X,Y (x.y) = (1+x*y)…

A:

Q: The joint PDF of two continuous random variables X and y is given: S(x, y) = e+), x > 0, y> 0. Let U…

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Q: let  X  and  Y  be  a   random  variables  having   pdf   f(x,y)=2xy   0<x<y<1 Find  P(X/Y<1/2)

A: The marginal probability of y is given by: fyy=∫0y2xydx=y3 For Y&lt;12,fyY&lt;12=18 Therefore…

Q: Let X and Y be two continuous random variables having the joint pdf \[f(x,y) = \] Find the joint pdf…

A:

Q: i) Draw a sketch of the area where f(x₁, x₂) is not zero. ii) Find P(X₂ < 1). iii) Find E(X₁X₂).

A: The joint PDF is given and first we have to determine the marginal pdf of X2 to find the required…

Q: Sk(x + 4y) ,0 <x < 2, 0 < y < 1 ,otherwise Let f(x,y) = be the joint probability density of X and Y.

A: From the given information, f(x, y)=k(x+4y), 0&lt;x&lt;2, 0&lt;y&lt;1 The value of k is obtained…

Q: For two random variables X and Y, the joint density function is Find (a) the correlation fxy(x, y) =…

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Q: Assume that Y has a beta distribution with parameters a and 3, so that the pdf of Y is T(a + B)…

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Q: Let X be a continuous random variable with density function/ (x)=4e 1. Determine F(5) 2. Determine…

A: Given that the density function is, fx=4e-4x, x&gt;0

Q: Suppose that X and Y are statistically independent and identically distributed uniform random…

A: Let X and Y are independent random variable distributed uniform distrinution (0,1)The pdf functions…

Q: Find the density of X = max(Y1,Y2), where Y1 and Y2 are independent random variables with densities…

A: It is an important part of statistics . It is widely used .

Q: (b) The expression for the joint probability density function of the transformed random variables U…

A: X and Y are independent uniformly distributed random variables over the interval (0,1).…

Q: Suppose that Var(X) = 3, Var(Y ) = 4, and Cov(X,Y ) = 1. (a) Find Cov(2X −Y,X + 3Y ). (b) Find…

A: Solution-: Given: Var(X)=3, Var(Y)=4, Cov(X,Y)=1 We want to find, (a) Cov(2X-Y, X+3Y)=? (b)…

Q: Let X and Y be jointly cantinuous random variables with joint PDF is given: $ X,Y (x.y) =…

A:

Q: The random variable X has probability density function f where f(x)=\ ( kx(x + 1) (2-x ), 0 <= chi…

A: The probability density function is given as,

Q: Compute the covariance Cov(Ys, Yt) for OU process.

A: Let's break down the computation of the covariance Cov(Ys, Yt) for the OU process into steps:Step 1:…

Q: Let Y1 and Y2 be two jointly continuous random variables with joint probability density function f…

A: Given the joint probability density function of continuous random variables Y1 and Y2 as fy1,…

Q: Let X be a uniformly distributed continuous random variable that can take values in the interval…

A: Since you have posted a question with multiple sub-parts, we will solve the first two sub-parts for…

Q: Let X and Y be random variables with the joint density function f(x,y)=x+y, if x,y element of [0,1],…

A: Let X and Y be random variables with the joint density function f(x,y)=x+y, if x,y element of [0,1],…

Q: Find the density of Z = (X+ Y)2, where X and Y are independent uniform random variables over (-1,…

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Q: Then E (X) is equal to

A:

Q: e joint density of X and Y is given by, fxr (x, y) = (x² + 0 1) b) Find the marginal probability…

A: It is an important part of statistics. It is widely used.

Q: Show E(Y)

A: First we have to determine the marginal pdf of Y to calculate the value of E(Y).

Q: Let X and Y be jointly continuous random variables with joint PDF is given: f X,Y (x.y) I co,l) a) I…

A:

Q: Determine the value of c that makes the function f(x, y) = c(x + y) a joint probability mass…

A: f(x,y)=c(x+y)   ; x=1,2,3 and y=1,2,3

Q: Show E(XY)

A: