Mathematics, 17.11.2020 22:20 Animallover100
there are 400 seniors graduating, 80 were in band while in high school and 190 were in chorus. Only 30 of the seniors who were in band and were not in chorus. Find the probability that a senior chosen at random was in the band or in chorus.
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there are 400 seniors graduating, 80 were in band while in high school and 190 were in chorus. Only...
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