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Find the probability of 4 turning up at ...

Find the probability of 4 turning up at least once in two tosses of a fair die.

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. A pair of dice is thrown 6 times. If getting a total of 7 is considere...

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  2. A coin is tossed 5 times. What is the probability of getting at least ...

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  3. Find the probability of 4 turning up at least once in two tosses of a ...

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  4. A coin is tossed 5 times. What is the probability that head appears an...

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  5. The probability of a man hitting a target is 0.25. He shoots 7 times. ...

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  6. If getting 5 or 6 in a throw of an unbiased die is a success and the r...

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  7. Eight coin are thrown simultaneously. Find the chance of obtaining at ...

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  8. Five cards are drawn successively with replacement from a well-shuf...

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  9. A bag contains 7 red, 5 white and 8 black balls. If four balls are dra...

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  10. A box contains 100 tickets each bearing one of the numbers from 1 to ...

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

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

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

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  14. A bag contains 7 green, 4 white and 5 red balls. If four balls are ...

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  15. An urn contains 4 white and 3 red balls. Three balls are drawn at rand...

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  16. Find the probability distribution of the number of doublets in 4 throw...

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  17. Find the probability distribution of the number of sixes in three t...

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  18. A coin is tossed 5 times. If X is the number of heads observed, find t...

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  19. A dice is rolled twice. Find the probability distribution of number of...

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  20. A man wins a rupee for head and loses a rupee for tail when coin is ...

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