Final answer:
Miller may have opted for arbitration to quickly resolve disputes while maintaining confidentiality, although the exact reason varies depending on the individual case.
Step-by-step explanation:
Miller may have agreed to arbitration for a variety of reasons, and without more context, it is difficult to determine the exact motivation. However, in general, parties typically agree for reasons such as b) To expedite the resolution process, c) To protect confidential information, and less commonly for d) To shift responsibility to the arbitrator.
Choosing arbitration can allow for a quicker resolution compared to traditional court proceedings, and it is often a private process, which can protect sensitive information from becoming public record.