I need help proving equation 1.2:
I need help proving equation 1.2: All joint probability statements about X and Y can, in...
Urgent! Please mark all correct answers and find values of a1,a2,a3 and b1,b2,b3. (1 point) The second order equation 3x2y" + 5xy' +(-1x – 1)y = 0 has a regular singular point at x = 0, and therefore has a series solution DO (x) = ± x"+". N=0 The recurrence relation for the coefficients can be written in the form n=1,2,.... C =( ),-1) (The answer is a function of n and r.) The general solution can be written in...
Urgent!! Please label all the answers and find a1,a2,a3 and b1,b2,b3. (1 point) The second order equation x2y" - (x – ķ) y = 0 has a regular singular point at x = 0, and therefore has a series solutio y(x) = Σ CnN+r n=0 The recurrence relation for the coefficients can be written in the form Cn =( DCn-1, n = 1,2, ..., (The answer is a function of n and r.) The general solution can be written in...
Let X and Y be with joint probability density function given by: f(x, y) = (1 / y) * exp (-y- (x / y)) {0 <x, y <∞} (x, y) (a) Determine the (marginal) probability density function of Y. (b) Identify the distribution and specify its parameter (s). (c) Determine P (X> 1 | Y = y).
Q(2) The joint probability distribution of X and Y is given by (2x-y)2 for x = 0, 1, 2 and y = 1,2,3 (Marks: 6,2,4) 30 f(x, y) = Find : (1) the joint probability distribution of U = 3X + Y and V = X - 2Y (11) the marginal distribution of U. (III) E (V)
a. Given the joint probability den- sity function fxy(x, y) as, Skxy, (x, y) e shaded area Jxy(, 9) = 10 otherwise Find [i] k [ii] fx(x) [iii] fy(y) Are X and Y independent? b. Given the joint probability density function fxy(x, y) as, fxy(x, y) = { 0 kxy, (x, y) E shaded area otherwise Find [i] k [ii] fx(x) [iii] fy(y) Are X and Y independent? 2 1
1. Let X and Y be two jointly continuous random variables with joint CDF otherwsie a. Find the joint pdf fxy(x, y), marginal pdf (fx(x) and fy()) and cdf (Fx(x) and Fy)) b. Find the conditional pdf fxiy Cr ly c. Find the probability P(X < Y = y) d. Are X and Y independent?
6. Consider two possible networks for connecting points X and Y: a1 bi Л. C) b2 a2 Network 1 Network 2 and let A : Event that switch ai įs closed. A2Event that switch a2 is closed. Bi : Event that switch bi s closed B2 Event that switch b is closed We are given that P(A) = 0.8,P(A2) = 0.8, and that the events A1 and A2 are independent. Similarly, we are given that P(B) = 0.9. P(B) =...
1. The joint probability density function (pdf) of X and Y is given by fxy(x, y) = A (1 – xey, 0<x<1,0 < y < 0 (a) Find the constant A. (b) Find the marginal pdfs of X and Y. (c) Find E(X) and E(Y). (d) Find E(XY). 2. Let X denote the number of times (1, 2, or 3 times) a certain machine malfunctions on any given day. Let Y denote the number of times (1, 2, or 3...
4. Let X and Y have joint probability density function f(x,y) = 139264 oray3 if 0 < x, y < 4 and y> 4-1, otherwise. (a) Set up but do not compute an integral to find E(XY). (b) Let fx() be the marginal probability density function of X. Set up but do not compute an integral to find fx(x) when I <r54. (c) Set up but do not compute an integral to find P(Y > X).
The joint density of X and Y is given as f(x, y) = 4xy, 0 < x, 1 and 0 < y < 1. (a). Find the marginal distribution of Y, fY (y). (b). Find E[X|Y = 1/2]. (c). Find P(X < .3|Y < .2).