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 Form 3 Probability Video Questions and Answers

The probabilities that a husband and a wife will be alive 25 years from now are 0.7 and 0.9 respectively. Find the probability that in 25 years time,
(a) Both will be alive.
(b) Neither will be alive
(c) One will be alive
(d) At least one will be alive

 (3m 44s)
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