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India plays two matches each with West Indies and Australia. In any match the probabilities of India getting points `0, 1 and 2` are `0.45, 0.05 and 0.50` respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is (a) `0.8750` (b) `0.0875` (c) `0.0625` (d) `0.0250`

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A DAS GUPTA-Elementary Probability-Exercise
  1. A card is drawn at random from a pack of 52 cards. The chance that it ...

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  2. P(A cup B)=P(A cap B) if and only if the relation between P(A) and P(B...

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  3. India plays two matches each with West Indies and Australia. In any ma...

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  4. If x denotes the number of sixes in four consecutive throws of a dice,...

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  5. Let an ordinary coin be tossed 15 times. If Pr denotes the probability...

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  6. Two coins are tossed 4 times. The chance that there will be equal numb...

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  7. The probability that an event A happens in one trial of an experiment,...

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  8. The odds in favour of A winning a game against B are 4 : 3. The probab...

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  9. The probability of a missile hitting a target bridge is1/5. Two miss...

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  10. A dice is thrown six times.The probability of getting three sixes, the...

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  11. Let A = [1, 2, 3, ... , n] and f be any mapping from the set A to itse...

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  12. Two distinct integers x and y are chosen, without replacement, at rand...

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  13. A trunk-call is booked. It is known that a trunk-call booked materiali...

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  14. If two events A and B are such that P(A) =0.3, P(B)=0.4 and P(A'nnB') ...

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  15. The probabilities of two events are 0.25 and 0.50. The total probabili...

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  16. The probability that atleast one of the events A and B occurs is 0.6 I...

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  17. If the letters of the word ASSASSIN are written down in a row, the pro...

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  18. If P(A)=(2)/(3), P(B)=(1)/(2) " and " P(A cup B)=(5)/(6), then events ...

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  19. Three dice are rolled. The probability that different numbers will app...

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  20. The probability of happening of an event A is 0.5 and that of B is 0.3...

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