Five marbles are drawn from a bag which contains 7 blue marbles and 4 black marbles,Find out the probability(i) all will be blue.(ii) 3 will be blue and 2 black,
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Answer:
7/11
Step-by-step explanation:
total no. of balls are = 11
no. of chance hor blue = 7
therefore , the answer is 7/11
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