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lillianfrederi
04.08.2019 •
Mathematics
At a private school, each first-year student is sorted into one of four houses. if 3 students are randomly selected from 15 available students, what is the probability that they are the three youngest students?
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Ответ:
The probability that they are the three youngest students is 0.002197.
Step-by-step explanation:
If 3 students are randomly selected from 15 available students, the probability that they are the three youngest students = 1 / 15C3
= 455
=![\frac{1}{455}](/tpl/images/0167/6870/05f82.png)
= 0.002197
Ответ:
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Step-by-step explanation: