Question:medium
Two friends, Alka and Alkit appear for an interview for two vacancies for the same post in an Organisation. The probability of Alka's selection is $1/7$ and Alkit is $1/5$. What is the probability that only one of them will be selected ?
Two friends, Alka and Alkit appear for an interview for two vacancies for the same post in an Organisation. The probability of Alka's selection is $1/7$ and Alkit is $1/5$. What is the probability that only one of them will be selected ?
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For probability of "Exactly One" happening out of two independent events $A$ and $B$, the formula is always $P(A)P(B') + P(A')P(B)$.
Updated On: Mar 26, 2026
- $1/35$
- $8/15$
- $4/5$
- $4/35$
- $2/7$
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The Correct Option is
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