Suppose that 3 balls are chosen without replacement from an urn consisting of 5 white and 8 red balls. let xi equal 1 if the ith ball selected is white, and let it equal 0 otherwise. give the joint probability mass function of (a) x1,x2; (b) x1,x2,x3.

Answer with Step-by-step explanation:

We are given that

Total number of chosen balls =3

Total number of white balls=5

Total number of red balls=8

for ith selected

white ball

for ith red ball

a.

b.

answer: the first graph

step-by-step explanation:

answer:

a=9

step-by-step explanation: lmk if you need a explanation