Question 25 2 pts A group of cardiac rehabilitation patients exercise together at the local fitness club. All of these patients have had at least two heart attacks or coronary bypass surgeries, and none have been able to purchase good health insurance because of their preexisting conditions. If these patients form a group to obtain group health insurance coverage, which group insurance underwriting principle would be violated? minimum participation requirements insurance incidental to the group automatic determination of benefits flow of persons through the group