30%
8 students is 4% of 200. So, ##22-4=18%## play only football, and ##12-4=8%## play only baseball, and 4% play both. So in total, ##18+4+8=30%## students play a sport (either one or two), so that’s the probability asked for.
30%
8 students is 4% of 200. So, ##22-4=18%## play only football, and ##12-4=8%## play only baseball, and 4% play both. So in total, ##18+4+8=30%## students play a sport (either one or two), so that’s the probability asked for.
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