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A person buys a lottery ticket in 50 lot...

A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is `1/100` . What is the probability that he will win a prize exactly once.

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PSEB-PROBABILITY-Exercise
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  2. A person buys a lottery ticket in 50 lotteries, in each of which his c...

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  3. A person buys a lottery ticket in 50 lotteries, in each of which his c...

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  4. A person buys a lottery ticket in 50 lotteries, in each of which his c...

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  5. Find the probability of getting 5 exactly twice in 7 throws of a die.

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  6. Find the probability of throwing at most 2 sixes in 6 throws of a sing...

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  7. It is known that 10% of certain articles manufactured are defective. W...

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  8. In a box containing 100 bulbs, 10 are defective. The probability that ...

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  9. The probability that a student is not a swimmer is 1/5. Then the prob...

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  10. A and B are two events such that P (A) ne 0. Find P(B|A),if : A is a ...

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  11. A and B are two events such that P (A) ne 0. Find P(B|A),if : AcapB = ...

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  12. A family has two children. What is the probability that both the child...

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  13. In a family, with two children, the probability of both children are g...

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  14. Suppose that 5% of men and 0.25% of women have grey hair. A grey haire...

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  15. Suppose that 90% of people are right-handed. What is the probability t...

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  16. An urn contains 25 balls of which 10 balls bear a mark 'X' and the rem...

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  17. An urn contains 25 balls of which 10 balls bear a mark 'X' and the rem...

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  18. An urn contains 25 balls of which 10 balls bear a mark 'X' and the rem...

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  19. An urn contains 25 balls of which 10 balls bear a mark 'X' and the rem...

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  20. In a hurdle race, a player has to cross 10 hurdles. The probability th...

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