Diversification. Here are the returns on two stocks. A. Calculate the variance and standard deviation of each stock. Which stock is riskier if held on its own? B. Now calculate the returns in each month of a portfolio that invests an equal amount each month in the two stocks. C. Is the variance more or less than halfway between the variance of the two individual stocks?

For fundamental-type variables, list-initialization syntax prevents narrowing conversions that could result in data loss. for fundamental-type variables, list-initialization syntax allows narrowing conversions that could result in data loss.

Suppose a ceiling fan manufacturer has the total cost function c(x) = 48x + 1485 and the total revenue function r(x) = 75x. (a) what is the equation of the profit function p(x) for this commodity? p(x) = (b) what is the profit on 35 units? p(35) = interpret your result. the total costs are less than the revenue. the total costs are more than the revenue. the total costs are exactly the same as the revenue. (c) how many fans must be sold to avoid losing money? fans

Which statement is true about the elements of the interface of a presentation program? a. the status bar appears at the top of the page and displays options to style your slides. b. the tool bar displays the thumbnails of your presentation slides in the order they will appear in the presentation. c. rulers indicate the margins, tabs, and indents in a presentation slide. d. the document area provides a list of commands to create, format, and edit presentations.