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A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random form the bag. The probability that all of them are red is:
  • a)
    2/91
  • b)
    3/22
  • c)
    1/22
  • d)
    2/77
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn ...
Total balls in the bag are = 15
Sample space =15c3
The probability that all the balls are red is = 
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A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random form the bag. The probability that all of them are red is:a)2/91b)3/22c)1/22d)2/77Correct answer is option 'A'. Can you explain this answer?
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