Open Question: help help help?

In the Boston Marathon each April there are approximately 100 male runners who participate and who are considered as world class runners. It is known that the time they require to finish the 26.2 mile race is normally distributed with a mean of 135.45 minutes and a standard deviation of 2.30 minutes. If a world class runner takes more than 141 minutes before crossing the finish line then they are automatically removed from world-class status. What is the probability that a randomly selected world class runner will be removed from world class status? Choose one answer. a. 0.9920 b. 0.0184 c. 0.9816 d. 0.0080 e. none of these