Need help with this 2 statistics problems 5.[20] For the following joint pdf, find c, and...
5.[20] For the following joint pdf, find c, and find μΧ, Hy, Ох, and Oy. f(x,y)-(cxy for 0 < x < 3 and 0 < y <x)
This is a statistics question, unfortunately I have difficulties understanding problems with statistics and I need this question solved with full workings and also in an understandable way to revise. Your help will be highly appreciated, *I will give positive rating to the fullest*. Thank you!! 1. Discrete distribution for X is given by the following table: Probabilities p 0.2 20 0.2 40 0.3 60 0.2 80 0.1 100 Values X Find distribution function fx) and median Me(X). Calculate expectation...
Let Y 1 and Y 2 be defined by the following joint PDF f ( y 1 , y 2 ) = ( 6(1 − y 2 ) 0 < y 1 < y 2 < 1, 0 otherwise (a) (2 pts) Prove that f ( y 1 , y 2 ) is a valid density function. (b) (2 pts) Find the marginal PDF of Y 2 . (c) (2 pts) Use the marginal PDF of Y 2 to find...
This is a statistics question, unfortunately I have difficulties understanding problems with statistics and I need this question solved with full workings and also in an understandable way to revise. Your help will be highly appreciated, *I will give positive rating to the fullest*. Thank you!! 1. Discrete distribution for X' is given by the following table: Probabilities p Values A 0.2 20 0.2 40 0.3 60 0.2 80 0.1 100 Find distribution function fax) and median Me(X). Calculate expectation...
This is a statistics question, unfortunately I have difficulties understanding problems with statistics and I need this question solved with full workings and also in an understandable way to revise. Your help will be highly appreciated, *I will give positive rating to the fullest*. Thank you!! 1. Discrete distribution for X' is given by the following table: Probabilities p Values A 0.2 20 0.2 40 0.3 60 0.2 80 0.1 100 Find distribution function fax) and median Me(X). Calculate expectation...
Problem 5 Let X and Y be random variables with joint PDF Px.y. Let ZX2Y2 and tan-1 (Y/X). Θ i. Find the joint PDF of Z and Θ in terms of the joint PDF of X and Y ii. Find the joint PDF of Z and Θ if X and Y are independent standard normal random variables. What kind of random variables are Z and Θ? Are they independent? Problem 5 Let X and Y be random variables with joint...
This is a statistics question, unfortunately I have difficulties understanding problems with statistics and I need this question solved with full workings and also in an understandable way to revise. Your help will be highly appreciated, *I will give positive rating to the fullest*. Please no computerised answers (answers calculated with softwares), as i I won't understand that. Thank you!! 1. Discrete distribution for X' is given by the following table: Probabilities p Values A 0.2 20 0.2 40 0.3...
This is a statistics question, unfortunately I have difficulties understanding problems with statistics and I need this question solved with full workings and also in an understandable way to revise. Your help will be highly appreciated, *I will give positive rating to the fullest*. Thank you!! 2. Calculate multiplier k. Find distribution function fox), mode Mo(x), median Me(x), expectation value Mir, variance (dispersion) D(x), standard error σ(x), asymmetry coefficient As(x) and excess Ex(x) for continuous distributions with the given probability...
there is no need to introduce new variables 2. Consider a joint pdf Find: (a) E(X|Y = y). (b) E(Y|X =x). (c) E(XY) 2. Consider a joint pdf Find: (a) E(X|Y = y). (b) E(Y|X =x). (c) E(XY)
6. Past records indicate that each of the 5 laser computer printers at the U.S. Department of Energy need repair after 20 hours of use. Breakdowns are Poisson distributed. The one technician on duty can service a printer in 2 hours average, following exponential distribution. If po 5640, find the following: a. Find the average waiting time. b. Average number waiting. c. Average number being serviced. 19.pdf 6. Past records indicate that each of the 5 laser computer printers at...