Items tagged with brain

I think I will continue posting some good questions from
Fridays Killer Questions 7city Learning:

Question:

There was a hit-and-run incident involving a taxi in a city in which 85% of the taxis
are green and the remaining 15% are blue. There was a witness to the crime who
says that the hit-and-run taxi was blue. Unfortunately this witness is only correct
80%...

Question:

Let say you have a revolver with six chambers. There are two bullets in the gun. The bullets are
located in two chambers next to each other. You now want to play Russian roulette. You spin
the barrel so that you don’t know where the bullets are and then pull the trigger. We assume
that you don’t kill yourself with this first attempt. Now assuming that you want to maximize
the chance of not killing yourself is it...

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