A box contains 24 identical balls of which 12 are white and 12 are black. The balls are…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
A box contains 24 identical balls of which 12 are white and 12 are black. The balls are drawn at random from the box one at a time with replacement. The probability that a white ball is drawn for the 4th time on the 7th draw is
- 5/64
- 27/32
- 5/32
- 1/2
Answer
(A) 5/64
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