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Mathematics, 19.10.2021 14:00 youngsunc02

Assume a teacher wants to test student understanding of a particular topic. For a class of 12 students, the teacher selects a student to join her outside the classroom where she asks the student a question about the topic. She will call 6 students in a random sequence, and the trial will be stopped if a student cannot answer the question. The same question is asked to each student. How many different sequential arrangements are possible

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Assume a teacher wants to test student understanding of a particular topic. For a class of 12 studen...
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