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If the number of telephone calls an oper...

If the number of telephone calls an operator receives between 10.00 pm to 10.10 pm follow poisson distribution with mean 3. The probability that the operator receives one call during that interval the next day is

A

`(e^(3))/(3)`

B

`e^(-3)`

C

`(e^(-3))/(3)`

D

`3e^(-3)`

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The correct Answer is:
D
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
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  2. Five coins are tossed 3200 times. The number of times getting exactly ...

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  3. A poisson variate x is such that P(x=2)=9P(x=4)+90.P(x=6) then mean an...

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

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  5. A manufacturing concern emplyoing a large number of workers over a per...

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  6. If the number of telephone calls an operator receives between 10.00 pm...

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  7. The probability that an individual suffers a bad reaction from an inje...

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  8. Suppose there are 500 misprints in a book of 750 pages. Assuming that ...

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

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  10. A firm hires out 3 cars every day. The demand for a car on each day is...

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  11. Six coins are tossed 6400 times. The probability of getting 6 heads x ...

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  12. Six coins are tossed 9600 times. The probability of getting 5 heads 2 ...

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  13. Cycle tyres are supplied in lots of 10 and there is a chance of 1 in 5...

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  14. In a poisson distribution, the variance is m. The sum of terms in odd ...

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  15. A random variable x follows binomial distribution with mean a and vari...

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  16. A fair coin is tossed n times and x be the number of heads. If P(x=4),...

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  17. A random variable has the following distribution. {:(x=x(i),,-3,,-2,...

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  18. One hundred indentical coins are thrown as each coin has the probabili...

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  19. Observe the following statements Assertion (A) : X is binomial varia...

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  20. X is a poisson variate with parameter lambda. Then match the following...

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