This thread is to encourage you to post all your harder Probability + Permutations & Combinations questions here.
Some Things to Consider:
1. Please answer one question at a time.
2. When posting a new question, please make it clear that it is a new question (write in capital letters 'NEW...
So how are people's timetables like for their trials? Packed or nicely spread out? Because my one is going to kill me. I have Chemistry and MX2 on the same day as well as Physics the day before LOL :D