I list each of the corrected questions below (without giving away the answers here). I place a star (*) when my error was more serious than just multiplying 2 numbers incorrectly.

Counting/probability

Red:
10 t/f questions
last question: all heads in 4 flips
New correction on December 11: Probability at least one 3 is rolled

Blue:
First question: 3 representatives from 25 students
Jeopardy, both blue questions (no cs majors *)
C(4,4) *
New correction on December 11: Probability no cherry beans picked

Green:
Jeopardy *
10 T/F questions
Jelly beans *


Sets, sequences, logic, functions

Red:
english to propositional logic with variables a,b,c,d *
b (+) c *

Blue:
P(A and B)