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In a book of 500 pages , it is found tha...

In a book of 500 pages , it is found that there are 250 typing errors . Assume that Poisson law holds for the number of errors per page . Then, the probability that a random sample of 2 pages will contains no error is

A

`e^(-0.3)`

B

`e^(-0.5)`

C

`e^(-1)`

D

`e^(-2)`

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The correct Answer is:
C
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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 )
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