alleryA 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.
Keep practising Probability
Browse all Probability questions for AP Intermediate 2nd Year, or explore more Mathematics topics.
Related questions
A bag has 3 red and 5 blue balls. One ball drawn at random. Probability it is red isFrom a deck of 52 cards, one is drawn. The probability that it is a red queen isThree coins are tossed. The probability of getting at least one head isA card is drawn from a standard deck of 52 cards. The probability of drawing an ace isTwo coins are tossed. The probability of getting two heads isProbability of a sure event isA die is rolled. The probability of getting an even number isA coin is tossed once. The probability of getting heads is