What is the probability of picking a 4 card bundle (all cards at once) in which you have 2 black cards, and 2 white, in any order?
I've already tried to solve this, but the fact that we take all cards at once confuses me as I'm not sure whether we subtract cards from the 'total probabilities' side after picking one. Perhaps this is a hypergeometric problem? I'd appreciate any help. I wanted to give this problem to my friend and realized I could not solve it myself.