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. 2/91
B. 3/22
C. 2/77
D. 1/22
Answer:A
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. 2/91 B. 3/22 C. 2/77 D. 1/22