Question 206563
The number of ways to select 3 students from 43 is <sub>43</sub>C<sub>3</sub>=43!/(3!40!)=12341.
the number of ways to select 5 students from 43 is <sub>43</sub>C<sub>5</sub>=43!/(5!38!)=962598.
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Therefore, <u>12341<=x<=962598</u>

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