Mathematics, 13.04.2021 15:30 Sairra
A school choir has 80 students; 36 of them are in seventh grade. Also, 40 students in the choir are girls; 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?
a. 27/40
b. 29/40
c.13/40
d. 33/40
Answers: 2
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A school choir has 80 students; 36 of them are in seventh grade. Also, 40 students in the choir are...
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