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In a Poission X, If P(X=0)=0.2 then the variance of the distribution is

A

2

B

1

C

e

D

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D
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DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
  1. If x is a Poisson distribution such that P(X=2)=(2)/(3)P(X=1) then ...

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  2. If X is a Poisson variate such that P(X=2)=9P(X=4)+90P(X=6), then mean...

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  3. In a Poission X, If P(X=0)=0.2 then the variance of the distribution i...

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  4. If X is a Poisson variate with P(X=0)=0.8, then the variance of X is

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  5. If X is a Poisson distribution with parameter lambda =3//2 and e^(-3//...

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  6. At a telephone enquiry system the number of phone calls regarding rele...

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  7. In a Poisson distribution the variance is m . The sum of the terms in ...

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  8. If 3% of electric bulbs manufactured by a company are defective , then...

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  9. If 2% of a given lot of manufactured parts are defective , then the pr...

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  10. If 3% of the electric bulbs manufactured by a company are defective , ...

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  11. A book contains 100 misprints distributed randomly through out its 100...

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  12. In a book of 500 pages , it is found that there are 250 typing errors ...

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  13. Suppose on an average 1 house in 1000 in a certain district has a fire...

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  14. If on an average 5 precent of the output of a factory making certain p...

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  15. In a city 10 accident take place in a span of 50 days. Assuming that t...

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  16. If ten precent of the tools produced in a factory turn out to be defec...

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  17. A company knows on the basis of past experience that 2% of its blades ...

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  18. The probability that an idividual suffers a bad reaction from an injec...

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  19. The incidence of an occupation disease to the workers of a factory is ...

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  20. Five coins are tossed 3200 times. Using the Poisson distribution , the...

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