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The probability that Krishna will be ali...

The probability that Krishna will be alive 10 years hence is 7/15 and that Hari will be alive is 7/10. What is t he probability that both Krishna and Hari will be dead 10 years hence?

A

`129/150`

B

`126/150`

C

`101/150`

D

`94/150`

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A DAS GUPTA-Elementary Probability-Exercise
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  7. The probability that atleast one of the two events A and B occurs is 0...

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  8. There are three events A, B and C one of which must , and only one can...

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  9. Two persons A and B throw two dice each. If A throws a sum of 9 then t...

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  10. Three squares of Chess board are selected at random. Find the proba...

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  11. A natural number is selected at random from the set {1<=x <=100}. The...

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  12. If A and B are two events, then which one of the following is/are alwa...

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  13. If E and Fare independent events such that 0 < P(E) <1 and 0 < P(F) <1...

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  14. If two events A and B are such that P(A)gt 0 and P(B) ne 1, then ...

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  15. For any two events A and B in a sample space, choose the correct optio...

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  16. If M and N are any two events, then the probability that exactly one o...

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  17. Fifteen coupons are numbered 1, 2, 3,…, 15 respectively. Seven coupons...

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  18. In a box containing 60 bulbs 6 are defective . What is the prob...

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  19. One hundred identical coins, each with probability 'p' of showing head...

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