A social psychologist believes that women, in general, are less likely to enjoy a music concert. The psychologist recruits 100 participants (50 males and 50 females) to go to a concert. They are told that they are free to leave whenever they want. He records the sex of a total of 10 people who end up leaving the concert, as follows:

[M F F F F F F F F F]

What is the probability that out of the 10 people who are displeased with the concert, 9 of them are women?