One-third hypothesis the cohesiveness of the group that is one-third. According to the binomial coefficient a group of size r occurs in a population of size n in formula_1 ways. Because each group of size r can dissolve in "2" subgroups, the total number of ways all groups of size r can emerge and dissolve equals "3", in keeping with the summation: formula_2 Said otherwise, large groups close to two-thirds of the population will be more likely than any other groups to dissolve into splinter groups. A corollary of this consideration is that much smaller groups will be the ones most likely
Rule of thirds (military) the few nations that can afford both the manpower costs of doing this, while still being able to ensure that enough boats are in service to have the ability regularly to stagger boats out for deep maintenance without appreciably affecting the total number available. Rule of thirds (military) The rule of thirds is a rule of thumb used when planning for the deployment and usage of a military organisation, according to which one third of the total military forces involved should be available for operations, one third should be preparing for operations and the final third, having been on operations,