Newspaper Boy Problem: Daily demand for a newspaper is independent and identical. Demand can be characterized as follows: Demand in Units 10 20 30 40 50 Probability 0.20 0.20 0.20 0.20 0.20
Cost of the newspaper is $1. The newspaper is sold to customers for a price of $1.40. Any unsold newspapers at the end of the day have to be sold as waste, and yields a revenue of $0.25 per copy. How many newspaper must be stocked at the start of the day? Simulate for 100 days, and draw your conclusion.

Feedback systems do not always involve negative feedback. economic inflation, which is evidenced by continually rising prices, is a positive feedback system. a positive feedback control system, as shown on the right, adds the feedback signal to the input signal, and the resulting signal is used as the input to the process. a simple model of the price-wage inflationary spiral is shown on the right. add additional feedback loops, such as legislative control or control of the tax rate, to stabilize the system. it is assumed that an increase in workers’ salaries, after some time delay, results an increase in prices. under what conditions could prices be stabilized by falsifying or delaying the availability of cost-ofliving data? how would a national wage and price economic guideline program affect the feedback system?