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If probability of success in a single tr...

If probability of success in a single trail is 0.01.How many trails are required in order to have probability greater than 0.5 of getting atleast one success?

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CHETANA PUBLICATION-BINOMIAL DISTRIBUTION-EXERCISE
  1. It is observed that,it rains on 12 days out of 30 days.Find the probab...

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  2. It is observed that,it rains on 12 days out of 30 days.Find the probab...

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  3. If probability of success in a single trail is 0.01.How many trails ar...

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  4. In binomial distribution with five Bernoulli's trails,probability of o...

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  5. Each of five questions on a multiple chice examination has four choice...

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  6. Each of five questions on a multiple chice examination has four choice...

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  7. The probability that a person who undergoes a kidney operation will re...

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  8. The probability that a person who undergoes a kidney operation will re...

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  9. The probability that a person who undergoes a kidney operation will re...

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  10. The probability that a person who undergoes a kidney operation will re...

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  11. The centres for disease control have determined that when a person is ...

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  12. Given that X~B(n,p) (i)If n=10 and p=0.4,find E(X) and Var(X).

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  13. Given X~B(n,p)(ii)If P=0.6,E(X)=6,find n and Var(X).

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  14. Given X~B(n,p)(iii)If E(X)=6,Var(X)=4.2,find n and P.

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  15. Given X~B(n,p)(iv)If n=25,E(X)=10,find P and SD(X).

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  16. Find the probability of guessing correctly at least seven out of ten a...

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  17. An insuranceagent lives of 5 men,all of the same age and in good healt...

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  18. If the probability that a flourescent light has a useful life of atlea...

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  19. A fair coin is tossed 8 times.Find the probability that it shows heads...

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  20. A fair coin is tossed 8 times.Find the probability that it shows heads...

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