NDA 2019 Mathematics question
There are 3 coins in a box. One is a two-headed coin; another is a fair coin; and third is biased coin that comes up heads 75% of time. When one of the three coins is selected at random and flipped, it shows heads. What is the probability that it was the two-headed coin?
Answer: (C)
Solution
By Bayes' theorem, \mid$ H) =
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account