Quant: L2 vs. L1

Just getting started on L2 reading and have a question on quant. I had a difficult time understanding quant in L1, specifically the sections dealing with probability analysis. I simply couldn’t get my mind around some of that stuff. I was told that the actual L1 exam didn’t drill too deeply into this stuff, and I adjusted my study time accordingly. If you’ve taken L2, what can you say, in general terms, about how the text relates to the actual exam?

sorry, wrong forum. I’ve reposted to L2.