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The probability of a man hitting a targe...

The probability of a man hitting a target is 1/4. How many times must he fire so that the probability of his hitting the target at lest once is greater than 2/3?

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. The sum of mean and variance of a binomial distribution is 15 and the ...

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  2. Find the binomial distribution for which the mean is 4 and variance 3.

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  3. The probability of a man hitting a target is 1/4. How many times must ...

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  4. How many dice must be thrown so that there is a better than even chanc...

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  5. Find the binomial distribution for which the mean is 6 and variance 5.

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  6. The mean and variance of a binomial distribution are 4 and 4/3 respe...

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  7. A die is thrown 20 times. Getting a number greater than 4 is considere...

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  8. A die is thrown 6 times. If "getting an odd number" is a success, wh...

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

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

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  11. A die is thrown 5 times. Find the probability that an odd number will ...

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  12. Five dice are thrown is simultaneously. If the occurrence of an even ...

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  13. The probability that a student entering  university will graduate is 0...

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  14. Find the probability that in 10 throws of a fair die a score which is ...

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  15. The sum and the product of the mean and variance of a binomial dist...

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  16. If the sum of the mean and variance of a binomial distribution for 5 t...

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  17. If the probability of a defective bolt is 0.1, find the i. mean and ii...

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  18. In a binomial distribution , prove that mean > variance

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  19. A perfect cubic die is thrown a large number of times in sets of 8. Th...

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  20. If X follows binomial distribution with mean 4 and variance 2, find P...

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