Quiz 9. 1: lessons 9. 1 to 9. 2
1. For a certain hockey team, the offensive players have made 75% of their attempted penalty shots
and the defensive players have made 68% of their attempted penalty shots. The coach selects
players at random to shoot penalty shots during practice and records the proportion of made
penalty shots. At the end of practice, the offensive players have shot 53 penalty shots and the
defensive players have shot 61 penalty shots. Let up and 2p be the sample proportions of made