You've beeen invited to play "Oink, oink. Let's be pigs!", where too much of a good thing can cost you. You must spin the spinner 4 times and if you only land on white 1 time in those 4 spins, you'll be awarded a vertiable cornucopia of riches!
What is the probabillity that you will walk away with this horn of plenty?
Express your answer as a simplified fraction.