This.You can derive the expected value of both based on the probability.
So, if the probability of winning 500k is greater than 10%, then I'll take it. If it's less than 10%, then I'll take the 50k.
A bird in the hand is worth two in the bush. I always thought it sounded a bit rude.What's that saying that has persisted for literally thousands of years? Something about a bird in the hand vs in a bush...