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A person buys a lottery ticket in 50 lot...

A person buys a lottery ticket in 50 lotteries,in each of which his chance of winning a prize is 1/100.Find the probability that he will win a prize(iii)atleast twice.

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CHETANA PUBLICATION-BINOMIAL DISTRIBUTION-EXERCISE
  1. A person buys a lottery ticket in 50 lotteries,in each of which his ch...

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  2. A person buys a lottery ticket in 50 lotteries,in each of which his ch...

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  3. A person buys a lottery ticket in 50 lotteries,in each of which his ch...

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  4. In a box of floppy discs is known that 95% will work.A sample of three...

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  5. In a box of floppy discs is known that 95% will work.A sample of three...

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  6. Find the probability of throwing atmost 2 sixes in 6 throws of a singl...

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  7. It is know that 10% of certain articles manufactured are defective.Wha...

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

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

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

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  11. Given that X~B(n,p) (iv)If n=10,E(X)=8,find Var(X).

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  12. Let X~B(10,0.2).Find (i)(X=1)

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  13. Let X~B(10,0.2).Find (ii)P(Xge1)

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  14. Let X~B(10,0.2).Find (iii)P(Xle8)

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  15. LetX~B(n,p)(i)If n=10,E(X)=5,find p and Var(X).

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  16. LetX~B(n,p)(ii)If E(X)=5 and Var(X)=2.5,find n and p.

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  17. If fair coin is tossed 10 times find the probability that it shoes hea...

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  18. If fair coin is tossed 10 times find the probability that it shoes hea...

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  19. The probability that a bomb will hit a target is 0.8.Find the probabil...

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  20. The probability that a mountain-bike rider travelling along a certain ...

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