Today we went over 2-proportion z-intervals (confidence intervals with 2 proportions).
- Ch. 21, #14, 16, 18
- Ch. 22, #1a, 3, 4, 5 (if you missed class, follow the example on p. 498-499)
The big group quiz is coming up next Tuesday, and the big test next Thursday (both will cover chapters 19-22).