From an urn containing six balls, 3 white and 3 black ones, a person selects at random an…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
From an urn containing six balls, 3 white and 3 black ones, a person selects at random an even number of balls (all the different ways of drawing an even number of balls are considered equally probable, irrespective of their number). Then the probability that there will be the same number of black and white balls among them
- \(\frac{4}{5}\)
- \(\frac{11}{15}\)
- \(\frac{11}{30}\)
- \(\frac{2}{5}\)
Answer
(B) 11 15
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