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If the probability that A and B will die...

If the probability that A and B will die within a year are `p` and `q` respectively , then the probability that only one of them will be alive at the end of the year is

A

p+q

B

p+q-2pq

C

p+q-pq

D

p+q+pq

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
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  2. A: If the probabilities of A and B to pass the examination are 2//10, ...

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  3. If the probability that A and B will die within a year are p and q res...

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  4. The probability of A solving a problem is 0.3 and the probability of B...

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  5. The probability that A speaks truth is 4/5 , while this probability fo...

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  6. A speaks truth in 80% of the cases and B in 60% of the cases. The perc...

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  7. A speaks the truth in 75% of the cases , B in 80% cases. What is the p...

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  8. For a student the probability of getting a pass in one paper is 75% an...

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  9. There are four machines and it is known that exactly two of them are f...

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  10. Two person A , B in order cut a pack of cards replacing them after eac...

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  11. Two persons A and B toss a die. The person who first throws 6 first th...

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  12. Two persons A and B are rolling die on the condition that the person w...

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  13. Three persons A, B ,C in order toss a die. The person who first throws...

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  14. A,B,C are tossing a coin on the condition that , the person who gets a...

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  15. The person, A in order toss a die. The person who throws 5 or 6 wins. ...

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  16. 2 white balls and 3 blanks balls and 3 blank balls are placed in a bag...

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  17. Three white balls and five blacks balls are placed in a bag and three ...

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  18. A bag contains 6 white and 4 black balls. Two ball are drawn at rando...

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  19. A fair die is thrown until a score of less than five points is obtaine...

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  20. A man throws a die until he gets a number bigger than 3. The probabili...

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