1. (a) (57.0, 138)  (b) (82.4, 113.2)   (c)  (9.17, 36,0)   (d) (13.0, 183)
2. (a) Poisson, 3, 3  (b) Exponential, 1/3, 1/9  (c) Normal, 3, 0.09  (d) Negative binomial, 35.7, 390
3. (a) 1.2 (b) 1.33 (c) 2, 1.15
4. (a) H0: p = 0.25, Ha: p > 0.25 (b) You ask Hartzell to build a new turtle pond when most students don't visit the turtle pond regularly; you do not ask him to build a new turtle pond when most students do (c) no (d) 0.321
5. (a) y = 165 - 1.15x  (b) 0.395 (c) 0.443
6. (a) -$100 (b) $735 (c) -$100, $755