Mathematics, 26.03.2020 23:59, Dontslack

Through careful observation, a man has determined that there is a 21% chance that it will snow on his birthday if he wakes up when his alarm clock says an even minute, but only an 8% chance it will snow if he wakes up at an odd minute. Assume that he wakes up at an even minute half the time. What is the probability that it will snow on his birthday?

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Through careful observation, a man has determined that there is a 21% chance that it will snow on hi...