A bag contains 3 red and 2 blue marbles....

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble?

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Number of Red Marbles balls in a bag `= 3`
Number of blue Marbels balls in a bag `= 2`
Total balls`= 3 + 2 = 5` balls
`P (E) =` No. of favourable outcomes / Total outcomes
`P`( Blue marble balls) `= 2 / 5`
So that the Probability of Blue Marble balls is `2/5`.

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