The diagram below depicts a 4-step Binomial tree to model share price. In a risk-neutral world, the probability (p*) of share price moving up on any given branch of the tree is 0.5130.

There are many paths that lead to a final share price of $33.52.

What is the probability that share price starts at $50 and finishes at $33.52?

Enter your answer to 4 decimal places. For example, if your answers is 12.34%, enter 0.1234.