The Jammin' Shoe Company manufactures athletic shoes. The company wants to establish a p-chart to monitor the production process using Z = 3.00. The company has taken a sample of 50 shoes every 4 hours for a work week of five days. Since the company runs two 8-hour shifts each day, this will result in 20 samples. The sample results are as follows. Sample Number of Defectives Proportion Defective Sample Number of Defectives Proportion Defective 1 0 0.00 11 4 0.08 2 1 0.02 12 1 0.02 3 0 0.00 13 1 0.02 4 3 0.06 14 2 0.04 5 2 0.04 15 2 0.04 6 5 0.10 16 3 0.06 7 3 0.06 17 4 0.08 8 2 0.04 18 1 0.02 9 1 0.02 19 5 0.10 10 0 0.00 20 2 0.04 (1) Construct a p-chart to monitor this process. (2) Determine whether or not the process is in control. Explain

5. profit maximization and shutting down in the short run suppose that the market for polos is a competitive market. the following graph shows the daily cost curves of a firm operating in this market. 0 2 4 6 8 10 12 14 16 18 20 50 45 40 35 30 25 20 15 10 5 0 price (dollars per polo) quantity (thousands of polos) mc atc avc for each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. assume that if the firm is indifferent between producing and shutting down, it will produce. (hint: you can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) price quantity total revenue fixed cost variable cost profit (dollars per polo) (polos) (dollars) (dollars) (dollars) (dollars) 12.50 135,000 27.50 135,000 45.00 135,000 if the firm shuts down, it must incur its fixed costs (fc) in the short run. in this case, the firm's fixed cost is $135,000 per day. in other words, if it shuts down, the firm would suffer losses of $135,000 per day until its fixed costs end (such as the expiration of a building lease). this firm's shutdown price—that is, the price below which it is optimal for the firm to shut down—is per polo.

Information on gerken power co., is shown below. assume the company’s tax rate is 40 percent. debt: 9,400 8.4 percent coupon bonds outstanding, $1,000 par value, 21 years to maturity, selling for 100.5 percent of par; the bonds make semiannual payments. common stock: 219,000 shares outstanding, selling for $83.90 per share; beta is 1.24. preferred stock: 12,900 shares of 5.95 percent preferred stock outstanding, currently selling for $97.10 per share. market: 7.2 percent market risk premium and 5 percent risk-free rate. required: calculate the company's wacc. (do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) wacc %

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be: