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The probability that atleast one of the ...

The probability that atleast one of the events A and B occurs is 0.6 If A and B occur simulataneously with probability 0.2, then `Poverset(-)((A))+Poverset(-)((B))` is equal to

A

0.4

B

0.8

C

1.2

D

1.4

Text Solution

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A DAS GUPTA-Elementary Probability-Exercise
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  7. The probability of happening of an event A is 0.5 and that of B is 0.3...

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  8. If A and B are two independent events such that P(barA nn B)=2/15 and...

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  9. A student appears for tests I, II and III. The student is successful i...

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  10. The probability that Krishna will be alive 10 years hence is 7/15 and ...

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  11. A soldier is firing at a moving target. He fires four shots. The prob...

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  12. If A and B are independent events such that P(A) = 0.3 and P(Acup B') ...

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  13. Aa n dB are two independent events. The probability that both Aa n dB ...

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  14. The probability that atleast one of the two events A and B occurs is 0...

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

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

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

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

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

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

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