This preview shows page 1. Sign up to view the full content.
Unformatted text preview: ss function (PMF) Let X be a discrete random variable. Then the probability
mass function (pmf) of X is the real–valued function
deﬁned on R by pX (x ) = P(X = x ). An important note is
that capital letter, X , is used to denote random variable.
Lowercase letter, x , is used to denote possible values of
the random variable. Random
Functions From Variables to
Function 9.8 Notes Random
Functions Example 34 Notes Flip a fair coin 3 times. Let X denote the number...
View Full Document
This note was uploaded on 01/24/2014 for the course STAT 225 taught by Professor Martin during the Spring '08 term at Purdue University-West Lafayette.
- Spring '08