GATE ME 2015 Set 1 — Question 5
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Engineering Mathematics → Probability → Axioms of Probability
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Question
Ram and Ramesh appeared in an interview for two vacancies in the same department. The probability of Ram's selection is and that of Ramesh is . What is the probability that only one of them will be selected?
Correct answer
(B) 1/4
Solution
Let
The probability that only one of them is selected is given by:
.
P(A) be the probability of Ram's selection and P(B) be the probability of Ramesh's selection.The probability that only one of them is selected is given by:
.
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