Extra problems
The following problems are not to be turned in. But they should be
attempted before the second exam.

 Exercise 5.3 page 191
 Exercise 5.4 page 191
 Exercise 5.23 page 204

 Exercise 5.9 page 200
 Exercise 5.10 page 200
 Let Z be the number of customers until the third
discount is taken. Find the probability distribution,
mean and variance of Z.

 Exercise 5.29 page 211
 Exercise 5.30 page 211
 Exercise 5.31 page 211

 Exercise 5.68 page 226
 Exercise 5.69 page 226

 Exercise 5.76 page 227
 Exercise 5.77 page 227
 Exercise 5.78 page 227
 Exercise 5.79 page 228
 Exercise 5.80 part (a) page 228
Last modified: Wed Oct 27 09:29:24 EDT 1999