Question

In a class of students, the following data table summarizes how many students play an instrument or a sport. What is the probability that a student who plays a sport does not play an instrument?
Plays an instrument Does not play an instrument
Plays a sport 12 13
Does not play a sport 3 2

Answer 1

The probability that a student who plays a sport does not play an instrument is 13 / 30.

What is the probability?

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that a student who plays a sport does not play an instrument = 13 / total number of students

13 / (12 + 13 + 2 + 3) = 13 / 30

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