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Probability Tes...

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  • Question 1
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    You are given a box with 25 cards in it. 10 of these cards have letter "I" printed on them and the other 15 have the letter "T" printed on them. If you pick up 3 cards one by one at random and keep them in the same order, the probability of making the word I.I.T. is

  • Question 2
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    A person draws a card from a pack of 52 playing cards, replaces it and shuffles the pack. He continues doing this until he draws a spade. The chance that he will fail in the first two draws is

  • Question 3
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    From each of two married couples, one of the partners is selected randomly. The probability that those selected are of the opposite sex is

  • Question 4
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    A bag contains 15 white and 4 green balls. One ball is drawn at random. The probability that it is green is

  • Question 5
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    Two fair dice are thrown. Let X be the event that the first die shows an even number and Y be the event that the second die shows an odd number. The two events X and Y are

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