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Two friends Jack and John appear in an interview for two vacancies in the same post. The probability of Jack's selection is (1/7) and the probability of John's selection is \((1 / 5)\). What is the probability that only one of them is selected?

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Two friends Jack and John appear in an interview for two vacancies in the same post. The probability of Jack's selection is (1/7) and the probability of John's selection is \((1 / 5)\). What is the probability that only one of them is selected?

 

i. \(2 / 7\)
ii. \(1 / 7\)
iii. \(3 / 4\)
iv. \(4 / 5\)
in Mathematics by ♦ Diamond (88,926 points) | 151 views

1 Answer

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Best answer
The probability that only one of them is selected is (1/7 + 1/5 - 1/35) = 11/35.
by ♦ Bronze Status (7,913 points)
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