A box contains 3 red and 9 blue balls suppose 5 balls are

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Reference no: EM13642319

A box contains 3 red and 9 blue balls. Suppose 5 balls are drawn at random(without replacement) from the box. Let Y be the number of red balls drawn.

(a) Determine the probability mass function for Y.

(b) Compute P(Y less than or equal to 2).

Reference no: EM13642319

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