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borishaifa [10]
3 years ago
9

Please help Magan recorded the grade-level and instrument of everyone in the middle school

Mathematics
1 answer:
jeyben [28]3 years ago
5 0

Answer:

Probability = \frac{11}{40}

Step-by-step explanation:

Given

See attachment

Required

The probability that a 7th grader selected will play guitar.

From the attachment, we have:

7th\ graders =11+8+8+13

7th\ graders =40

7th graders that can play guitars are:

Guitars = 11

So, the probability is:

Probability = \frac{Guitars}{7th\ graders}

Probability = \frac{11}{40}

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