An urn contains 3 white, 4 red and 5 ...

An urn contains 3 white, 4 red and 5 black balls. Two balls are drawn one by one without replacement. What is the probability that at least one ball is black?

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RD SHARMA ENGLISH-PROBABILITY-All Questions

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A bag contains 5 white, 7 red and 3 black balls. If three balls are...
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An urn contains 3 white, 4 red and 5 black balls. Two balls are dra...
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Compute P(A/B), if P(B)=0.5 and P(AnnB)=0. 32
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If P(A)=0. 4 ,P(B)=0. 3 and P(B/A)=0. 5 , find P(AnnB) and P(A/B)dot
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A coin is tossed three times, if head occurs on first two tosses, f...
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A die is thrown three times, find the probability that 4 appears on th...
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Given that the two numbers appearing on throwing two dice are diffe...
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Ten cards numbered 1 through 10 are placed in box, mixed up thoroughly...
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If A and B are two events such that P(A)=1/3, P(B)=1/5 and P(AuuB)=...
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Two numbers are selected at random from integers 1 through 9. If th...
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Find the probability that the sum of the numbers showing on two dic...
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A die is rolled. If the outcome is an odd number, what is the proba...
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A pair of dice is thrown. Find the probability of getting 7 as the sum...
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A pair of dice is thrown. Find the probability of getting 7 as the s...
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A dice is thrown twice and the sum of the numbers appearing is observe...
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Mother, father and son line up at random for a family picture. If A...
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A die is thrown three times. Find P(A/B) and P(B/A), if A=4 appears...
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