WBJEE · Maths · Probability
Four persons \(A, B, C\) and \(D\) throw an unbiased die, turn by turn in succession till one gets an even number and win the game. What is the probability that A wins the game if A begins ?
- A \(\frac{1}{4}\)
- B \(\frac{1}{2}\)
- C \(\frac{7}{15}\)
- D \(\frac{8}{15}\)
Answer & Solution
Correct Answer
(D) \(\frac{8}{15}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{P}(\) even \()=\frac{1}{2}, \mathrm{P}(\) odd \()=\frac{1}{2}\) \(\mathrm{P}(\) A wins…
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