[tps_title]Statistics Interview Questions[/tps_title]
You are playing a game with four shuffled cards. These cards are placed face down on a table. The hidden faces contain the images of clubs, spades, diamonds and hearts. You must turn over the cards one at a time until you win or lose. you win if you turnover the spade or the diamond. You lose if you turnover hearts. What is the probability that you win?
