When McDonald's comes up with a new drink or sandwich for its restaurants, it often markets it in a dozen or so of its outlets. When the company does this, it is engaged in

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.

Given the production function q=96(k^0.3)(l^0.7), find the mpk and mpl functions. is mpk a function of k alone, or of both k and l? what about mpl?

The supreme choice pizza at pizza paradise contains 2 different meats and 2 different vegetables. the customer can select any one of 6 types of crust. if there are 4 meats and 9 vegetables to choose from, how many different supreme choice pizzas can be made?