i have stock with the following data is given: S0 = 55; = 15%; = 20%; risk-free interest rate = 9% p.

i have stock with the following data is given: S0 = 55; µ = 15%; σ = 20%; risk-free interest rate = 9% p.a..

can you help me to calculate the probability of exercising this option and to calculate the probability that at maturity ST > K?