Final answer:
Michigan law requires a person to be at least 14 years old to operate a personal watercraft, provided they have a boating safety certificate and are accompanied by a parent or legal guardian.
Step-by-step explanation:
According to Michigan law, to operate a personal watercraft, a person must be at least 14 years old, even if they are accompanied by a parent or legal guardian. It's important to note that this is only allowed if the person has obtained a boating safety certificate. Strict age and education requirements are in place for the operation of personal watercrafts to ensure the safety of the operators and other individuals enjoying Michigan waterways.