a bag contain 3 red balls,5black balls and 4 white balls .a ball is drawn at random from the bag .the probility of getting (a)black ball (b)red and white ball (c)no white ball
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Answer:
probability of black ball is 5/12
probability of red ball and white ball is
Step-by-step explanation:
7/12
probability of no white ball is 8/12 = 2/3
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total events=3+5+4(balls)= =12
a)black ball
favorable outcomes/total events
=5/12
b)red ball and white ball
3/12+4/12=7/12
c)no white ball
=8/12
=2/3
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