# Question

Bob has to study for four final exams: accounting (A), biology (B), communications (C), and drama (D).

(a) If he studies one subject at a time, in how many different ways could he arrange them?

(b) List the possible arrangements in the sample space.

(a) If he studies one subject at a time, in how many different ways could he arrange them?

(b) List the possible arrangements in the sample space.

## Answer to relevant Questions

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