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A bag contains 4 balls. Two balls are drawn at random, and are found to be white. What is the probability that all balls are white?
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Practice questions from similar books
Question 1
Three boys and two girls stand in a queue. The probability, that the number of boys ahead is at least one more than the number of girls ahead of her, is (A) (B) (C) (D) Question 2
In a certain college, 4% of boys and 1% of girls are taller than 1.75 metres. Furthermore, 60% of the students in the college are girls. A student is selected at random from the college and is found to be taller than 1.75 metres. Find the probability that the selected student is a girl.
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| Question Text | A bag contains 4 balls. Two balls are drawn at random, and are found to be white. What is the probability that all balls are white? |
