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Sagot :
The probability that a seventh-grader chosen will randomly play the keyboard as a fraction in simplest form is P=0.68.
What is probability?
Probability is considering a numerical description of how likely an event is to occur or how likely it is true. In many situations, it is necessary to foresee how something will turn out in the actual world. We may be aware of the result of an occurrence or not. When this occurs, we state that there is a possibility that the event will occur. In general, probability has many excellent applications in gaming, commerce, and this newly growing area of artificial intelligence.
Seventh-grade students guitar= 8
All total students' guitar = 8+8+7+2
= 25
A instruments other than guitar = 25-8
= 17
So, p = 17/25
= 0.68
Here we use simple random sampling n/n. Thus, the answer is 0.68.
To know more about probability click:
https://brainly.com/question/11234923
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