COMEDK · Maths · 36. Probability
If the probability for \(A\) to fail in an examination is 0.2 and that for \(B\) is 0.3 , then the probability that either \(A\) or \(B\) fail is
- A 0.38
- B 0.44
- C 0.5
- D 0.94
Answer & Solution
Correct Answer
(B) 0.44
Step-by-step Solution
Detailed explanation
Let \(P(A)\) be the probability that \(A\) fails and \(P(B)\) be the probability that \(B\) fails. Given \(P(A) = 0.2\) and \(P(B) = 0.3\). Since the events of \(A\) and \(B\) failing are independent, the probability that both fail is…
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