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The probability that a bomb dropped from...

The probability that a bomb dropped from a plane strikes the target is `1//5`. The probability that out of six bombs dropped at least 2 bombs stricke the target is

A

0.345

B

0.246

C

0.543

D

0.426

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The correct Answer is:
A
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
  1. For a binomial variate X with n=6, if P(X=2)=9P(X=4), then its varianc...

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  2. The probability that a candidate seeure a seat in Engineering through ...

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  3. The probability that a bomb dropped from a plane strikes the target i...

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  4. An experiment succeeds twice as often as it fails. The probability of ...

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  5. In an average , rain falls on 12 days in every 30 days. The probabilit...

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  6. Suppose A and B are two equally strong table tennis players . The prob...

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  7. The probability that a man can hit a target is 3//4. He makes 5 trials...

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  8. A box contains tickets numbered from 1 to 20. If 3 tickets are drawn o...

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  9. If on an average 1 vessel in every 10 is wrecked, the chance that out ...

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  10. One in 9 ships is likely to be wrecked , when they are set on sail. Wh...

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  11. The probability of happening of an event in a trial is 0.5. The probab...

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  12. The probability that an event does not happen in one trial is 0.8 The ...

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  13. 12 coins are tossed 4096 times. The number of times that one can get a...

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  14. Five coins are tossed 3200 times. The number of times getting exactly ...

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

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

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

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

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

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

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