Chapter 7.2, Problem 45E

Exercises 7.41–7.45 require that you have done Exercises 7.11–7.15, respectively.

7.45 NBA Champs. Repeat parts (b) and (c) of Exercise 7.41 for samples of size 5. For part (b), use your answer to Exercise 7.15(b).

7.41 NBA Champs. The winner of the 2012–2013 National Basketball Association (NBA) championship was the Miami Heat. One possible starting lineup for that team is as follows.

Player	Position	Height (in.)
Chris Bosh (B)	Center	83
Dwyane Wade (W)	Guard	76
LeBron James (J)	Forward	80
Mario Chalmers (C)	Guard	74
Udonis Haslem (H)	Forward	80

1. a. Determine the population mean height, μ, of the five players.
2. b. Consider samples of size 2 without replacement. Use your answer to Exercise 7.11(b) on page 312 and Definition 3.11 on page 140 to find the mean, μ_x, of the variable $\bar{x}$.
3. c. Find μ_x, using only the result of part (a).