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If P(A)=2/5, P(B)=3/10 and P(AcapB)=1/5,...

If `P(A)=2/5`, `P(B)=3/10` and `P(AcapB)=1/5`, then P(A'/B')+P(B'/A') is equal to

A

`5/6`

B

`5/7`

C

`65/42`

D

1

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. The event A and B are independent if

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  2. For a biased dice, the probabilities of the different faces to turn up...

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  3. If P(A)=2/5, P(B)=3/10 and P(AcapB)=1/5, then P(A'/B')+P(B'/A') is equ...

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  4. If P(A) = 0.4, P(B)=0.8 and P(B/A)=0.6 then P(AcupB)=.

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  5. A and B are events such tahtP (A) = 0.4 , P (B) = 0.3 and P ( A cup B)...

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  6. If P(AcapB)=0.15, P(B)=0.10 then P(A/B)=

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  7. In Q.10 P(A) = 0.4, P(B) = 0.3 P(A∩B)=0.2, P(B/A') is equal to

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  8. If P(B)=3/5, P(A/B)=1/2 and P(AcupB)=4/5 then P(AcupB')+P(A'cupB)=

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  9. Let P(A)=5/13, P(B)=9/13 and P(AcapB)=5/13, then P(A/B) is equal to

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  10. If A and B are two independent events with P(A)=3/5 and P(B)=4/9, then...

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  11. If two events are independent then

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  12. If A and B are independent events such that 0 lt P (A) lt 1 and 0 lt P...

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  13. Let A and B be two events such that P(A)=3/8, P(B)=5/8 and P(AcupB)=3/...

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  14. Two events E and F are independent . If P ( E) =0.3 , P (E cup F) = 0....

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  15. A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random ...

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  16. In reference Q.20 above,the probability that exactly two of the three ...

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  17. Three persons A,B and C fire at a target in turn, starting with A. the...

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  18. Three distinguisable balls are distributed in three cells. The probabi...

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  19. Suppose X is a binomial variate B(5,p) and P(X=2)=P(X=3), then p is eq...

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  20. A die is thrown and a card is selected at random from a deck of 52 pla...

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