Right so probability is the worst part of s1 for me, I'm fine with drawing venn diagrams and using them to work out the answers, BUT when it comes to drawing tree diagrams I get stuck trying to work out P(A intersection B) and whatnot - things you can't see like you can on a venn diagram. HELP!
S1 Maths Edexcel Probability Questions Watch
- Thread Starter
- 16-05-2013 11:17
- 16-05-2013 12:45
The probability of A and B happening you just go down the stem of a tree and multipy these together because that's the probability of A happening and then B happening