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If the probability of a defective bolt i...

If the probability of a defective bolt is 0.1, find the i. mean and ii. standard deviation for the distribution of bolts in a total of 400 bolts.

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RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
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  2. If the sum of the mean and variance of a binomial distribution for 5 t...

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

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

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

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

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  7. If tow dice are rolled 12 times, obtain the mean and the variance of ...

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  8. In a game, a man wins a rupee for a six and loses a rupee for any o...

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  9. The mean and variance of a binomial variance with parameters n and p a...

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  10. There are three urns A, B and C. Urn A contains 4 white balls and 5 ...

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

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  12. A bag contains 3 red and 4 black balls. One ball is drawn and then rep...

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  13. Two cards are drawn successively with replacement from a well shuffled...

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  14. Assume that the probability that a bomb dropped from an aeroplane will...

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  15. Six coins are tossed simultaneously. Find the probability of getting (...

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  16. Assume that on a n average on telephone number out of 15 called bet...

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

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  18. Assuming that half the population are consumers of chocolate, so that ...

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  19. The probability of a man hitting a target is 1/2. How many times must ...

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  20. An unbaised coin is tossed 8 times. Find , by using binomial distribut...

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