According to the study The American Freshman: National Norms 2015, 76.1% of college freshmen said that "to get training for a specific career" was a very important reason for their going to college. Consider a group of seven freshman selected at random. In following Exercises, find the probabilities that the number of people in the group who felt that the reason was very important is as stated.
1. All seven
2. Exactly three of the seven