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sveticcg [70]
4 years ago
5

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 sev

enth grade. What is the probability that a student picked at random from the choir is either a girl or is in seventh grade?
Mathematics
2 answers:
Rama09 [41]4 years ago
6 0

Answer:

29/40

Step-by-step explanation:

Anuta_ua [19.1K]4 years ago
3 0
Probability is favorable outcome to total possibilities.

So, any probability will be x/80

There are 36 seventh graders, and 22 girls in eighth grade (40-18=22). 36+22=58

The probability of drawing either a seventh grader or a girl is 58/80, or 72.5%
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