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If the probabilities that A and B will die within a year are p and q respectively, what is the probability that only one of them will be alive at the end of the year?
  • a)
    p+q
  • b)
    p+q+pq
  • c)
    p+q+2pq
  • d)
    p + q - 2pq
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
If the probabilities that A and B will die within a year are p and q r...
(1 - p ) q + (1 - q) p = p + q 2 pq
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If the probabilities that A and B will die within a year are p and q respectively, what is the probability that only one of them will be alive at the end of the year?a)p+qb)p+q+pqc)p+q+2pqd)p + q - 2pqCorrect answer is option 'D'. Can you explain this answer?
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