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Grade: 12
        

a bag contains 10 blue balls 30 red balls. a ball is drawn from the bag its colour is recorded and is put back in the bag.this process is repeated three times . the probability that no two of the balls drawn have same co;our

10 years ago

Answers : (1)

AskIITians Expert Hari Shankar IITD
17 Points
							

Hi,

There seems to be something wrong in the question because there are balls of only 2 colors. SO if you draw 3 of them, obviously at least 2 of the balls will be of the same colour. Please check the question.

 

10 years ago
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