For each of the following, indicate whether the behavior represents the maximin criterion or the maximax criterion. Explain your reasoning.

a. A trucker is behind schedule and knows he is approaching an area where police radar is often encountered, but he continues driving at 15 mph over the speed limit.

b. A struggling retailer, in danger of defaulting on next month's payroll, hires a public relations firm to carry out an intensive promotional campaign for his store. If the campaign is not extremely successful, the retailer won't be able to pay the PR firm, either.

c. The owner of a roller-skating rink buys liability insurance.