Q. A manufacturer produces gizmos at a cost of $5 for each gizmo. The manufacturer computes that if each gizmo sells for x dollars, (15-x) gizmos will be sold. a) What is the manufacturer's profit function? b) What price should the manufacturer charge to maximize profits?
Q. Explain how Levitt devised a means of examining student test scores to uncover evidence of cheating teachers. Explain also why Levitt's analysis of the data constituted evidence, but not proof, of cheating.