Question

15. The probability of randomly selecting three balls with different colors, from a box containing five red, four white, and six black balls, without replacement is (A) 3 13 24 (B) 91 8 (C) 91 (D) 91 (E) None

Answer 1

Pg.: 2 Sduhon) brinen that the box containing 5red, 4 white and sin black balls. The probability of selecting three balls with different colors without teblecement علم اخه now, Iball getting relected is red, the Combination is 5 = 5 uly a ball getting selected is white, the combination is 4 = 4 1 ball getting selecting is black the combination is be, ob we have to draw 3 balls of diffe. Frent colors, Nowe, 3 balls getting selected from total boy containing Fredy & white , 6 black balls And 6 150 Probability erent colors is selecting & balls of diff 54, X YG X C, = 5x 4 x 6 150 15X14X13 3x2

2 telco Dt: Pg.: 1 x x x 6x6 KX4X13 8 91 so, the Probability is 24

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