Q. 2 Three balls are randomly placed in three empty boxes B1, B2 and B3. Let N denote the total number boxes which are occupied and let X; denote the number of balls in the box Bi, i = 1, 2, 3 (i) Find the joint probability mass function of (N,X,); (ii) Find the joint probability mass function of (X1,X2).

Q. 2 Three balls are randomly placed in three empty boxes B1, B2 and B3. Let N denote the total number boxes which are occupied and let X; denote the number of balls in the box Bi, i = 1, 2, 3 (i) Find the joint probability mass function of (N,X,); (ii) Find the joint probability mass function of (X1,X2).

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...

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