The number of possible schedules for next semester could she make is 990.
Given that,
Based on the above information, the calculation is as follows:
[tex]= ^{11}C_3! \times 3!\\\\= \frac{11!}{3!(11 - 3)} \times 3!\\\\= \frac{11!}{3!8!} \times 3!\\\\= \frac{11\times 10\times 9\times 8!}{3\times 2 \times 8!} \times 3!\\\\= 11\times 5\times 3 \times 3![/tex]
= 990
Therefore we can conclude that the number of possible schedules for next semester could she make is 990.
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