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show all steps so i can break down a study
For the first four problems,...
4. Let X and Y be continuous random variables with joint density function f(x, y) =...
4. Let X and Y be continuous random variables with joint density function f(x, y) = { 4x for 0 <x<ys1 otherwise (a) Find the marginal density functions of X and Y, g(x) and h(y), respectively. (b) What are E[X], E[Y], and E[XY]? Find the value of Cov[X, Y]
24. Let X and Y be continuous random variables with joint density function 4xy for 0...
24. Let X and Y be continuous random variables with joint density function 4xy for 0 < x, y 1 f(x, y) otherwise. What is the probability of the event X given that Y ?
8), Let X and Y be continuous random variables with joint density function f(x,y)-4xy for 0...
8), Let X and Y be continuous random variables with joint density function f(x,y)-4xy for 0 < x < y < 1 Otherwise What is the joint density of U and V Y
If you could answer only a, and b. I just want to verify if my work is correct. Problem 1. Let X and Y be continuous ra...
If you could answer only a, and b. I just want to verify if my
work is correct.
Problem 1. Let X and Y be continuous random variables with joint probability density function given by Ca2 if2 0, z <4,z 2 -y, and z 2 y/2 f(,oherwise. (a) The marginal density, fy (), of Y. (Be explicit about all cases.) (b) The conditional density, fxiy(2), of X given Y- 2. Be explicit about all cases! (c) P(X > 3 |...
Let X and Y be joint continuous random variables with joint density function f(x, y) =...
Let X and Y be joint continuous random variables with
joint density function
f(x, y) = (e−y
y
0 < x < y, 0 < y, ∞
0 otherwise
Compute E[X2
| Y = y].
5. Let X and Y be joint continuous random variables with joint density function e, y 0 otwise Compute E(X2 | Y = y]
7. Find cov(X, Y) 8. Are the random variables X, Y independent? Justify answer Edit : do not solve number 1, I already solved. C=3/32 Use this information for problems 1 -8: Let X, Y be two contin...
7. Find cov(X, Y)
8. Are the random variables X, Y independent? Justify
answer
Edit : do not solve number 1, I already solved.
C=3/32
Use this information for problems 1 -8: Let X, Y be two continuous random variables and let f(x, y)2y + xy?) over the range O< x<2 and 0< y< 2. Determine the v function alue of the constant c that makes this function a joint probability density 1.
Use this information for problems 1 -8:...
1. (10) Suppose the random variables X and Y have the joint probability density function 4x...
1. (10) Suppose the random variables X and Y have the joint probability density function 4x 2y f(x, y) for 0 x<3 and 0 < y < x +1 75 a) Determine the marginal probability density function of X. (6 pts) b) Determine the conditional probability of Y given X = 1. (4 pts)
I am studying Continuous Random Variables. Hope can some one tell me the solutions of these two problems! II.1 Let X be...
I am studying Continuous Random Variables.
Hope can some one tell me the solutions of these two
problems!
II.1 Let X be a continuous random variable with the density function 1/4 if x E (-2,2) 0 otherwise &Cx)={ Find the probability density function of Z = X density function fx. Find the distribution function Fy (t) and the density function f,(t) of Y=지 (in terms of Fx and fx).
II.1 Let X be a continuous random variable with the density...
Please also explain 5. Following is the joint probability density function for the random variables X...
Please also explain
5. Following is the joint probability density function for the random variables X and Y. f(x,y) = U 2, 0 < x <1, 0 Sy < 1, 0 < x + y 51 elsewhere. 10, Find E(X +Y) and Var(X +Y).
4. Let X and Y be random variables of the continuous type having the joint pdf...
4. Let X and Y be random variables of the continuous type having the joint pdf f(x,y) = 1, 0<x< /2,0 <y sin . (a) Draw a graph that illustrates the domain of this pdf. (b) Find the marginal pdf of X. (c) Find the marginal pdf of Y. (d) Compute plx. (e) Compute My. (f) Compute oz. (g) Compute oz. (h) Compute Cov(X,Y). (i) Compute p. 6) Determine the equation of the least squares regression line and draw it...
4. Let X and Y be continuous random variables with joint density function f(x, y) = { 4x for 0 <x<ys1 otherwise (a) Find the marginal density functions of X and Y, g(x) and h(y), respectively. (b) What are E[X], E[Y], and E[XY]? Find the value of Cov[X, Y]
24. Let X and Y be continuous random variables with joint density function 4xy for 0 < x, y 1 f(x, y) otherwise. What is the probability of the event X given that Y ?
8), Let X and Y be continuous random variables with joint density function f(x,y)-4xy for 0 < x < y < 1 Otherwise What is the joint density of U and V Y
If you could answer only a, and b. I just want to verify if my
work is correct.
Problem 1. Let X and Y be continuous random variables with joint probability density function given by Ca2 if2 0, z <4,z 2 -y, and z 2 y/2 f(,oherwise. (a) The marginal density, fy (), of Y. (Be explicit about all cases.) (b) The conditional density, fxiy(2), of X given Y- 2. Be explicit about all cases! (c) P(X > 3 |...
Let X and Y be joint continuous random variables with
joint density function
f(x, y) = (e−y
y
0 < x < y, 0 < y, ∞
0 otherwise
Compute E[X2
| Y = y].
5. Let X and Y be joint continuous random variables with joint density function e, y 0 otwise Compute E(X2 | Y = y]
7. Find cov(X, Y)
8. Are the random variables X, Y independent? Justify
answer
Edit : do not solve number 1, I already solved.
C=3/32
Use this information for problems 1 -8: Let X, Y be two continuous random variables and let f(x, y)2y + xy?) over the range O< x<2 and 0< y< 2. Determine the v function alue of the constant c that makes this function a joint probability density 1.
Use this information for problems 1 -8:...
1. (10) Suppose the random variables X and Y have the joint probability density function 4x 2y f(x, y) for 0 x<3 and 0 < y < x +1 75 a) Determine the marginal probability density function of X. (6 pts) b) Determine the conditional probability of Y given X = 1. (4 pts)
I am studying Continuous Random Variables.
Hope can some one tell me the solutions of these two
problems!
II.1 Let X be a continuous random variable with the density function 1/4 if x E (-2,2) 0 otherwise &Cx)={ Find the probability density function of Z = X density function fx. Find the distribution function Fy (t) and the density function f,(t) of Y=지 (in terms of Fx and fx).
II.1 Let X be a continuous random variable with the density...
Please also explain
5. Following is the joint probability density function for the random variables X and Y. f(x,y) = U 2, 0 < x <1, 0 Sy < 1, 0 < x + y 51 elsewhere. 10, Find E(X +Y) and Var(X +Y).
4. Let X and Y be random variables of the continuous type having the joint pdf f(x,y) = 1, 0<x< /2,0 <y sin . (a) Draw a graph that illustrates the domain of this pdf. (b) Find the marginal pdf of X. (c) Find the marginal pdf of Y. (d) Compute plx. (e) Compute My. (f) Compute oz. (g) Compute oz. (h) Compute Cov(X,Y). (i) Compute p. 6) Determine the equation of the least squares regression line and draw it...
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