# Question

In Problem 2, suppose that the white balls are numbered, and let Yi equal 1 if the ith white ball is selected and 0 otherwise. Find the joint probability mass function of

(a) Y1, Y2;

(b) Y1, Y2, Y3.

Problem 2

Suppose that 3 balls are chosen without replacement from an urn consisting of 5 white and 8 red balls.

(a) Y1, Y2;

(b) Y1, Y2, Y3.

Problem 2

Suppose that 3 balls are chosen without replacement from an urn consisting of 5 white and 8 red balls.

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