A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:
A)1/13
B)2/13
C)1/26
D)1/52
Answer:C
A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:
A)1/13 B)2/13 C)1/26 D)1/52
Explanation: Here, n(S) = 52.