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x, 1. P(X = x) = if x E {1,2} 0,otherwise x², if x e {1,2,3,4and 5} 2. P(X = x) = 5 0,otherwise if x € {1,2,3, 4,5,6} 3. P(X = x) =6' %3D 0,otherwise if x € {1,2,3, 4,5,6} 0, otherwise 4. P(X = x) ={91' %3D

x, 1. P(X = x) = if x E {1,2} 0,otherwise x², if x e {1,2,3,4and 5} 2. P(X = x) = 5 0,otherwise if x € {1,2,3, 4,5,6} 3. P(X = x) =6' %3D 0,otherwise if x € {1,2,3, 4,5,6} 0, otherwise 4. P(X = x) ={91' %3D

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...
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Show that each of the following is a probability mass function. 1. P(X = x) = {3* x, if x E {1,2} 0,otherwise 2. P(X = x) = { 55*", if x ɛ {1,2,3,4and 5} %3D 0, otherwise if x e {1,2,3, 4,5,6} 3. P(X = x) = 0,otherwise if x E {1,2,3,4,5, 6} 0, otherwise 4. P(X = x) = 91
Transcribed Image Text:Show that each of the following is a probability mass function. 1. P(X = x) = {3* x, if x E {1,2} 0,otherwise 2. P(X = x) = { 55*", if x ɛ {1,2,3,4and 5} %3D 0, otherwise if x e {1,2,3, 4,5,6} 3. P(X = x) = 0,otherwise if x E {1,2,3,4,5, 6} 0, otherwise 4. P(X = x) = 91
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