Answer:
50%
Step-by-step explanation:
The computation of the probability for put option will be exercised is shown below:
She will exercise at the time when the exercise price i.e $.50 is bigger than the future spot price i.e (20% + 30% = 50%)
So in this case the probability should be 50%
Hence, the correct answer is option c.
All other information which is given is not relevant. Hence, ignored it