Mathematics, 20.10.2019 18:30 sonthatshannah
Students in a middle school must choose to take either band or chorus. in a given academic year, 60% of the pupils choose band and the rest choose chorus. 30% of the students who are taking band are girls, and 70% who are taking chorus are girls. if a student is randomly selected from this academic year, what is the probability that it is a boy?
a.0.46
b.0.49
c.0.50
d.0.54
Answers: 3
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Students in a middle school must choose to take either band or chorus. in a given academic year, 60%...
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