Question: In a MC (Multiple choice) exam, each question has a possibility of 5 selections. The chances of the individual knowing to solve the question is

In a MC (Multiple choice) exam, each question has a possibility of 5 selections.

The chances of the individual knowing to solve the question is 50%.

There is a chance of 25% that the individual excludes 1 out of the 5 possible selections.

There is a chance of 15% that the individual excludes 2 out of the 5 possible selections.

There is a chance of 10% that the individual excludes 3 out of the 5 possible selections.

If the answer is still unknown to the individual, then a random guess is made from the non-excluded selections.

What is the P(individual can solve the question given that they solved it correctly) ?

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