Question

if 2 dice are thrown,X is the random variable defined as the sum of 2 numbers which appears on the 2 dice ,find the discrete probability​

Answer 1

Step-by-step explanation:

P(X=2)=P(1,1)=361

P(X=3)=P[(1,2),(2,1)]=362

P(X=4)=P[)1,3),(2,2),(3,1)]=363

P(X=5)=P[(1,4),(2,3),(3,2),(4,1)]=364

P(X=6)=P[(1,5),(2,4),(3,3),(4,2),(5,1)]=365

P(X=7)=P[(1,6),(2,5),(3,4),(4,3),(5,2),(6,1)]=366

P(X=8)=P[(2,6,(3,5),(4,4),(5,3),(6,2)]=365

P(X=9)=P[(3,6),(4,5),(5,4),(6,3)]=364

P(X