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In a hurdle race, a player has to cross ...

In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is `5/6`. What is the probability that he will knock down fewer than 2 hurdles?

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The correct Answer is:
`(5)/(2)((5)/(6))^(9)`.
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MODERN PUBLICATION-PROBABILITY-EXERCISE 13 (g) (LATQ)
  1. Find the probability of : (i) getting 5 exactly twice in 7 throws of...

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  2. (i) A die is thrown 5 times. If getting an 'odd number' is success, fi...

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  3. A pair of dice is thrown 7 times. If getting a total of 7 is considere...

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  4. Ten eggs are drawn successively with replacement from a lot contain...

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

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  6. Probability of a shooter of hitting the target is (3)/(4). If he shoot...

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  7. Suppose that 90% of people are right-handed. What is the probabilit...

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  8. Four dice are thrown simultaneously. If the occurrence of 2, 4 or 6 in...

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  9. A bag consists of 10 balls each marked with one of the digits 0 to ...

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  10. An urn contains 25 balls of which 10 balls bear a mark "X" and the ...

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  11. There are 5% defective items in a large bulk of items. What is the ...

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  12. Oil a multiple choice examination with three possible answers for e...

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  13. In a box containing 100 bulbs, 10 are defective. What is the probabili...

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  14. The probability that a bulb produced by a factory will fuse after 160 ...

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  15. In a hurdle race, a player has to cross 10 hurdles. The probability t...

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  16. Assume that on an average one telephone number out of 15 called betwee...

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  17. If getting a '5' or a '6' in the throw of an unbiased die is a 'succes...

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  18. On a multiple choice examination with three possible answers (out o...

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  19. Calculate P ( r ) for r = 1, 2, 3, 4 and 5 by using the recurrence for...

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  20. Six dice are thrown 729 time. How many times do you expect at least...

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