One of the greatest examples of this is a cricket match.
Irrespective of who wins the toss or who has the better strategy in place, the team with more heart and better execution wins almost every time.
So don’t get trapped in the paradigm of taking the right decision. As it often results in inaction.
Just work on getting a clarity about your intentions and then work on your execution.
It’s often what you do after taking a decision, that makes it either right or wrong.