Classes 27 and 28 were practice days for the probability unit (no new material but check with your teacher for any practice that you missed), and class 29 (Th/F, Nov 8/9) is the review day.
This is the worksheet with the problem set for HW #28:
Here's the rundown for class #27 (F/M, Nov 2/5):
Today (W/Th, Oct 31/Nov 1) we covered Geometric and Binomial probability models. Here are the notes/etc:
And if you need additional reference material, chapter 17 in the textbook is your friend.
Here are the notes and homework for random variables and probability models (class #25 - M/Tu Oct 29/30):
If you wish to read up on this section in the textbook, you can read through chapter 16.
Here are the paper notes and corresponding lesson videos for class #24 (Th/F, Oct 25/26), conditional probability:
Here are the homework problems pasted onto a single sheet (#44 not withstanding), for your convenience:
Chapter 15 in the textbook provides additional reference material, should you need it.