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A fair dice is rolled once. The probabi...

A fair dice is rolled once. The probability that an odd number less than 5 turns up is ______________ and the probability that a number greater than or eual to 3 turns up is _____________.

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A DAS GUPTA-Elementary Probability-Exercise
  1. A floor is paved with rectangular marble blocks, each of length a and ...

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  2. A letter is taken out at random from 'ASSIGNMENT' and another from 'A...

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  3. A fair dice is rolled once. The probability that an odd number less t...

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  4. The probabilities of two independent events A and B are respectively ...

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  5. Two students A and B solve a problem. Their respective probabilities ...

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  6. If A, B are two equiprobable events such that P(A nn B)=1/4 and P(A' ...

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  7. Events A, B, C are mutually exclusive events such that P(A)=(3x+1)/(3)...

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  8. n letters are written to different persons and their addresses are als...

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  9. A problem is given to three students whose chances of solving it are 1...

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  10. Three items from a lot of 10 items are defective. if two items are sel...

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  11. Two dice are thrown simultaneously. What is the probability of getting...

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  12. Three letters are written to different persons and their addresses are...

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  13. Three letters are written to different persons and their addresses are...

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  14. There are 4 envelops and 4 letters are to be put in these envelopes ra...

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  15. The probability that out of 10 person, all born in June, at least two ...

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  16. The probability of a leap year to have 53 Mondays is .

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  17. If two of the 64 squares are chosen at random on a chess board, the pr...

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  18. 12 people are asked questions in succession in a random order and exac...

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  19. Two numbers are selected at random from 1,2,3,....100 and are multipli...

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  20. Three dice are thrown simultaneously. The probability of obtaining a s...

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