{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Day 014.2 - 8 sum of two fair dice P(X=2(1,1 1/36...

Info icon This preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
5 Using the Axioms ) Pr( 1 ) Pr( 0 ) Pr( ) Pr( 1 ) Pr( ) Pr( ) Pr( ) Pr( ) Pr( ) Pr( ) Pr( ) Pr( A A A A False A A True A A A A A A = ¬ ¬ + = ¬ + = ¬ ¬ + = ¬
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
6 Discrete Random Variables X denotes a random variable. X can take on a countable number of values in {x 1 , x 2 , …, x n }. P(X=x i ) , or P(x i ) , is the probability that the random variable X takes on value x i . P ( ) is called probability mass function.
Image of page 2
Discrete Random Variables 2/6/2012 7 fair coin fair dice P( X=heads ) = P( X=tails ) = 1/2 P( X=1 ) = P( X=2 ) = P( X=3 ) = P( X=4 ) = P( X=5 ) = P( X=6 ) = 1/6
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon