With regard to a health plan's underwriting of groups, it can correctly be stated that,...

Health plan will require that contributory healthcare plans have a participation level of between 50% and 70%

Health plan will decline to cover a group that has been formed for the sole purpose of obtaining healthcare coverage

Health plan's underwriters will not examine the age spread of the entire group being underwritten

Health plan would expect a group with a large proportion of young females to have lower healthcare costs than does a similar group with a large proportion of young males