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//Chapter 07: Discrete Probability
clc;
clear;
tot_out=36 //total no of outcomes when 2 dice are rolled
X=[2,3,4,5,6,7,8,9,10,11,12] //possible sum of 2 dice
pX2=1/tot_out //no of possible chances
pX12=pX2 //no of possible chances
pX3=2/tot_out //no of possible chances
pX11=pX3 //no of possible chances
pX4=3/tot_out //no of possible chances
pX10=pX4 //no of possible chances
pX5=4/tot_out //no of possible chances
pX9=pX5 //no of possible chances
pX6=5/tot_out //no of possible chances
pX8=pX6 //no of possible chances
pX7=6/tot_out //no of possible chances
Ex=X(1)*pX2+X(2)*pX3+X(3)*pX4+X(4)*pX5+X(5)*pX6+X(6)*pX7+X(7)*pX8+X(8)*pX9+X(9)*pX10+X(10)*pX11+X(11)*pX12
disp(Ex,'Ex=')
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