Stock X has a standard deviation of 22 percent per year and stock Y has a standard deviation of 8 percent per year. The correlation between stock A and stock B is .21. You have a portfolio of these two stocks wherein stock Y has a portfolio weight of 40 percent. What is your portfolio variance?

Karen is working on classifying all her company’s products in terms of whether they have strong or weak market share and whether this share is in a slow or growing market. what type of strategic framework is she using?

One of your new suppliers, kim, has been hearing rumors about your firm’s lack of capability to deliver high quality products and writes an email asking you to address the claims being made. in replying to her, you want to be sure that you are very clear and leave no room for misinterpretation. which of the following aspects of effective communication should you give the most attention? (a) making sure you understand kim’s areas of expertise. (b) supporting your reply with relevant data and facts. (c) establishing your credibility as an expert. (d) paying attention to implied communications.

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.