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Mathematics

A bag contains 24 balls of which 4 are red, 8 are white and remaining are blue. A ball is drawn at random, the probability of it to be blue is :

  1. 0.5

  2. 1

  3. 13\dfrac{1}{3}

  4. 2

Probability

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Answer

No. of blue balls = 24 - 4 - 8 = 12.

P(drawing a blue ball)

= No. of favourable outcomesTotal no. of possible outcomes=1224=12\dfrac{\text{No. of favourable outcomes}}{\text{Total no. of possible outcomes}} = \dfrac{12}{24} = \dfrac{1}{2} = 0.5

Hence, Option 1 is the correct option.

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