8.2 Exercise 10

Use the following information to answer the next six exercises: One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watch an average of 151 hours each month, with a standard deviation of 32 hours. Assume that the underlying population distribution is normal.

Identify the following:

1. $\bar{x}$ =_______
2. $s_{x}$ =_______
3. n =_______
4. n – 1 =_______