SOLUTION: A husband & wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/7 & that of wife's selection is 1/5. What is probability tha
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-> SOLUTION: A husband & wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/7 & that of wife's selection is 1/5. What is probability tha
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Question 457387: A husband & wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/7 & that of wife's selection is 1/5. What is probability that (a) both of them will be selected? (b) only one of them will be selected? (c) none of them will be selected? (d) at least one of them will be selected? Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! a)1/7*1/5 for both
b)1-(1-1/7-1/5)-(1/7*1/5) only one not both and not none
c)1-1/7-1/5
d)1/7+1/5 one of them
