WBJEE · Maths · Probability
Two coins are available, one fair and the other two-headed. Choose a coin and toss it once; assume that the unbiased coin is chosen with probability \(\frac{3}{4}\), Given that the outcome is head, the probability that the two-headed coin was chosen, is
- A \(\frac{3}{5}\)
- B \(\frac{2}{5}\)
- C \(\frac{1}{5}\)
- D \(\frac{2}{7}\)
Answer & Solution
Correct Answer
(B) \(\frac{2}{5}\)
Step-by-step Solution
Detailed explanation
Let \(F\) denotes fair coin \(T\) denotes two headed \(H\) denotes head occurs…
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