Arithmetic Aptitude :: Probability
- A number is selected at random from the set {1, 2, 3, ........, 50}. The probability that it is a prime, is
- A committee of 3 members is to be selected to be selected out of 3 man and 2 women . What is the probability that the committee has at least one women ?
- An urn contains 3 red and 4 green marbles. If three marbles are picked at random, what is the probability that two are green and one is red ?
- If two marbles are picked at random, what is the probability that both marbles are red ?
- If three marbles are picked at random, what is the probability that two are blue and one is yellow ?
- If four marbles are picked at random, what is the probability that at least one is blue ?
- If two marbles are picked at random, what is the probability that either both are green or both are yellow ?
- If four marbles are picked at random, what is the probability that one is green, two are blue and one is red ?
- If four caps are picked at random, what is the probability that none is green ?
- If three caps are picked at random, what is the probability that two are red and one is green ?
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