A box has 5 red, 3 blue marbles. Probability of drawing 2 red and 1 blue in any order (without replacement, 3 draws):
A3/14
B15/28
C15/56
D30/56
Answer & Solution
Correct answer: B. 15/28
Total ways C(8,3) = 56. Favorable: C(5,2) × C(3,1) = 10 × 3 = 30. P = 30/56 = 15/28.
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