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

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

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CHETANA PUBLICATION-BINOMIAL DISTRIBUTION-EXERCISE
  1. Given that X~B(n,p) (i)If n=10 and p=0.4,find E(X) and Var(X).

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

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

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

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

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

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

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

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

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

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  11. The probability of hitting a target in any shot is 0.2.If 10 shots are...

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  12. A die is thrown 100 times.If getting an even number is considered a su...

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  13. The mean and the variance of a binomial distribution are 4 and 2 respe...

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  14. For a binomial distribution,n=5.If P(X=4)=P(X=3) then p=…….

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  15. In a binomial distribution,n=4.If 2P(X=3)=3,P(X=2)then p=……….

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  16. If X~B(4,p) and P(X=0)=16/81,then P(X=4)=…………..

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  17. The probability of a shooter hitting a target is 3/4.How many minimum ...

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  18. If the mean and variance of a binomial distribution are 18 and 12 resp...

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  19. A coin is tossed six times.The probability of obtaining 5 or 6 heads i...

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  20. For a binomial distribution,n=5.If P(X=4)=P(X=3) then p=…….

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