The probabilities that a man and his wife live for 80 years are 2/3 and
MATHEMATICS
JAMB 2012
The probabilities that a man and his wife live for 80 years are 2/3 and 3/5 respectively. Find the probability that at least one of them will live up to 80 years
- A. 2/15
- B. 3/15
- C. 7/15
- D. 13/15
Correct Answer: D. 13/15
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