Sex stories folow for more​

2. a box contains 50 slips of paper. forty of the slips are marked $0, 8 of the slips are marked $20, 1 slip is marked $100, and the last one is marked $500. find the expected net winnings of a person who pays $10 to randomly select one slip of paper. interpret.

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

Lead time for one of your fastest-moving products is 20 days. demand during this period averages 90 units per day. a) what would be an appropriate reorder point? ) how does your answer change if demand during lead time doubles? ) how does your answer change if demand during lead time drops in half?