Box A contains 3 red and 2 blue marbles while box B contains 2 red and 8 blue marbles. A…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
Box A contains 3 red and 2 blue marbles while box B contains 2 red and 8 blue marbles. A fair coin is tossed. If the coin turns up heads, a marble is drawn from A, if it turns up tails, a marble is drawn from bag B. The probability that a red marble is chosen, is
- \(\frac{1}{5}\)
- \(\frac{2}{5}\)
- \(\frac{3}{5}\)
- \(\frac{1}{2}\)
Answer
(B) 2 5
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