Homework Help is Here – Start Your Trial Now!
Math
Probability
4.3-8. (a) Find a constant b (in terms of a) so that the function be (x+y) 1) = { bc and 0 fx, y(x, y) = 0

4.3-8. (a) Find a constant b (in terms of a) so that the function be (x+y) 1) = { bc and 0 fx, y(x, y) = 0

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
See similar textbooks
icon
Related questions
Question

anyone help me with to solve this two problem 

4.3-8. (a) Find a constant b (in terms of a) so that the function be-(x+y) - {8 0 fx, y(x, y) = 4.3-9 (a) Ru 0 < x <a and elsewhere is a valid joint density function. (b) Find an expression for the joint distribution function. 0<y<∞
Transcribed Image Text:4.3-8. (a) Find a constant b (in terms of a) so that the function be-(x+y) - {8 0 fx, y(x, y) = 4.3-9 (a) Ru 0 < x <a and elsewhere is a valid joint density function. (b) Find an expression for the joint distribution function. 0<y<∞
4.2-10. Discrete random variables X and Y have a joint distribution function Fx, y(x, y) = 0.10u(x+4)u(y-1) +0.15u(x + 3)u(y + 5) +0.17u(x + 1)u(y - 3) +0.05u(x)u(y - 1) +0.18u(x - 2)u(y + 2) +0.23u(x - 3)u(y-4) +0.12u(x-4)u(y + 3) Find: (a) the marginal distributions Fy(x) and Fy(y) and sketch the two functions, (b) X and Y, and (c) the probability P{-1 < X < 4, -3 < Y ≤ 3}.
Transcribed Image Text:4.2-10. Discrete random variables X and Y have a joint distribution function Fx, y(x, y) = 0.10u(x+4)u(y-1) +0.15u(x + 3)u(y + 5) +0.17u(x + 1)u(y - 3) +0.05u(x)u(y - 1) +0.18u(x - 2)u(y + 2) +0.23u(x - 3)u(y-4) +0.12u(x-4)u(y + 3) Find: (a) the marginal distributions Fy(x) and Fy(y) and sketch the two functions, (b) X and Y, and (c) the probability P{-1 < X < 4, -3 < Y ≤ 3}.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer