Third grade math improved my life today. I had to reenter my wireless network, but I couldn't find the key anywhere. My brother set the key and I knew it was some version of "bestboyever." I knew it had some capitals and some lower case letters. I knew it had a 3 for one of the "e"s but not the other. I set up a probability tree to find every possible combination, and I found the right answer.
I always think of probability trees as something we don't use very much...
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