Well I got my midterm grade....

So let me just start by saying I was shocked when I got my test. So I heard that the mean was a 55 on this test which at first shocked me because it took that score to get an A on the last test. It wasn't until later that I found out that this test was graded out of 100 rather than the 80 that the previous one had with each problem worth 25 on this one and 20 on the last one. Once I got my test my heart sunk as I read a very large red 25 on my paper. I closed my eyes and turned away. I looked back at it and realized that that wasn't the last number on the page. That turned out to just be my score on one problem. Looking lower at a small scrawl in the corner it read 78, which looking at the statistics page looks like one of the top 10 scores in the class. I was flabbergasted. I thought I had really screwed up, but it turns out that where I thought I couldn't solve the problems it was because they weren'y supposed to be solved. OH well. I nailed it and now I'm sitting on a sweet steady A going into the final. I have no idea how it happened. I really thought I had screwed it up.