What are the conditions for one-sample t-procedures?

Classify each of the following items as a public good, a private good, a natural monopoly good, or a common resource.(a) measles vaccinations (b) tuna in the pacific ocean (c) airline service in the united states (d) local storm-water system

What is one counter argument to the premise that the wealth gap is a serious problem which needs to be addressed?

the social-cultural environment a firm operates in is constantly changing, and having a significant impact on marketing strategies. the change is so rapid and immense that some firms have created a new position in the organization to handle this change. which title best describes the new position described in the scenario?