a box contain 7 red ,5 white and 8 green balls identical in all respect except colour one ball is drawn at random .find the probability that it is not white
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Step-by-step explanation:
The probability of not getting a white ball is 15/20
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Total balls = 7+5+8
=20
Red=7
White=5
Green=8
Probability that it is not white , means all balls except white...
=20-5
=15
Probability=15/20
=3/4
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