Suppose a box contains x1 yellow, X2 green and x3 blue balls. There are x1 + x2 + x3 = N total balls in the box. You rea

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Suppose A Box Contains X1 Yellow X2 Green And X3 Blue Balls There Are X1 X2 X3 N Total Balls In The Box You Rea 1 (51.44 KiB) Viewed 128 times

Suppose a box contains x1 yellow, X2 green and x3 blue balls. There are x1 + x2 + x3 = N total balls in the box. You reach in and grab k balls. a) What is the probability that your k balls are all of the same color? b) Let Y be the number of yellow and G the number of green in your handful of k balls. Find the covariance between Y and G.