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If a fair coin is tossed thrice find the...

If a fair coin is tossed thrice find the probability that there are
at least one head

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PATHFINDER-PROBABILITY-QUESTION BANK
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  4. The odds in favour of an event are 3:5 find the probability of occurre...

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  5. An integer is chosen at random from the first 100 positive integers wh...

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  6. A secretary writes 4 letters and the corresponding address on 4 envelo...

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  7. Two unbiased dice are thrown find the probability of obtaining a tota...

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  8. Two unbiased dice are thrown find the probability of obtaining at le...

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  9. Three groups of children contain respectively 3 girls and 1 boy, 2 gir...

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  10. A speaks truth in 70% cases and his friend B speaks lie in 20% cases ....

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  11. The odds in favour of an event A are 3:4 the odds against another inde...

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  12. A box contains 7 white and 5 black balls two are drawn at random find ...

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  13. A box contains 7 white and 5 black balls three are drawn at random fin...

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  14. The probabilities of solving a problem by three students A,B,C are 3/7...

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  15. If the letters of the word MOTHER are arranged at random then find the...

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  16. If a fair coin is tossed thrice find the probability that there are ...

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  17. If a fair coin is tossed thrice find the probability that there are ...

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  18. Two players A and B toss a die alternately he who first throws a six w...

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  19. From set of 1000 cards serially numbered 1,2,3….1000 one card is drawn...

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  20. From set of 1000 cards serially numbered 1,2,3….1000 one card is drawn...

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