A game show contestant must randomly select a door. one door doubles her money while the other three doors leave her bankrupt. what is the probability she selects the door that doubles her money
In this question, there is 1 door that doubles her money and 3 doors that leave her bankrupt which means there are 4 total doors. From those 4 doors, only 1 door that will double her money. Then the probability would be: 1 door / 4 doors = 1/4 = 25%
