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A Box Contains 5 Red Marbles, 8 White Marbles and 4 Grem Marbles. One Marble is Taken Out of the Box at Randam. What is the Probability that the Marble Taken Out Wil Be (Iii) Not Green? - ICSE Class 10 - Mathematics

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Question

A box contains 5 red marbles, 8 white marbles and 4 grem marbles. One marble is taken out of the box at randam.

What is the probability that the marble taken out wil be 
(iii) not green?

Solution

Total number of marbles = 5 + 8 + 4 = 17 

Number of green marbles = 4 

Probability of getting a green marble = `" Number of favourable outcomes "/"Total number of outcomes "` = `4/17`

Probability of not getting a green marble  = `1-4/17 = 13/17`

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Solution A Box Contains 5 Red Marbles, 8 White Marbles and 4 Grem Marbles. One Marble is Taken Out of the Box at Randam. What is the Probability that the Marble Taken Out Wil Be (Iii) Not Green? Concept: Random Experiments.
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