Mathematics, 19.11.2019 16:31 anyone5382
In total school choir has 80 students, with 36 of them being in seventh grade. also, 40 students in the choir are girls where 18 of them are in seventh grade. what is the probability that a student picked at random from the choir is either a girl or is in seventh grade?
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In total school choir has 80 students, with 36 of them being in seventh grade. also, 40 students in...
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