An elderly woman entered into a contract with a company in the business of providing home care services. Believing that she had been duped by representatives of the company, the woman commenced an action in federal court, properly based on diversity, seeking rescission of the contract. The company answered, denying the principal allegations of the woman's complaint and asserting a counterclaim against the woman for breach of contract. In addition, the company timely served a demand for a jury trial. The woman did not. Which statement best describes the roles of the judge and jury as finders of fact in the trial of the parties' claims