No, when non-lawyers are on the panel their approach is usually framed by the chair - ie, the "issues we have to decide are A, B, and C" and "the evidence on issue A is as follows..." Their decision is their own based on their own view of the actual evidence.
The burden of proof remains on the Premier League. They have to persuade the panel that it is more likely than not that we are guilty of the breaches alleged. But as we've discussed before, the evidence needed to satisfy the panel that we are guilty of conduct that amounts to serious criminal offences will need to be very cogent indeed.