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Question

Initially we have one red and one green ball in a box. At each

step we choose a ball randomly from the box,

look at its color and then return it

in the box with an additional ball of the same color. This way there will be 3 balls

in the box after the rst step, 4 balls after the 2nd step, and so on. Let X denote

the number of red balls in the box after the 1000th step. Find the probability mass

function of X.

Top Answer

P ( X = i ) = 1 0 0 1 1 for... View the full answer

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