Question
The probabilities that May, Lily and Mary will pass a test are 2/5, 7/10 and 9/10 respectively. Find the probability that
(i) At least one of them will pass the test,
(ii) 2 of the girls will pass the test
(i) At least one of them will pass the test,
(ii) 2 of the girls will pass the test
Answers
2/5*7/10*9/10
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