Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA = 3% + 0.7RM + eA RB = –2% + 1.2RM + eB ?M = 20%; R-squareA = 0.20; R-squareB = 0.12 Assume you create a portfolio Q, with investment proportions of 0.50 in a risky portfolio P, 0.30 in the market index, and 0.20 in T-bill. Portfolio P is composed of 60% Stock A and 40% Stock B.

1. What is the standard deviation of portfolio Q?
2. What is the beta of portfolio Q?
3. What is the "firm-specific" risk of
4. What is the covariance between the portfolio and the market index? portfolio Q?

1. descriptive statistics quickly describe large amounts of data can predict future stock returns with surprising accuracy statisticians understand non-numeric information, like colors refer mainly to patterns that can be found in data 2. a 15% return on a stock means that 15% of the original purchase price of the stock returns to the seller at the end of the year 15% of the people who purchased the stock will see a return the stock is worth 15% more at the end of the year than at the beginning the stock has lost 15% of its value since it was originally sold 3. a stock purchased on january 1 cost $4.35 per share. the same stock, sold on december 31 of the same year, brought in $4.75 per share. what was the approximate return on this stock? 0.09% 109% 1.09% 9% 4. a stock sells for $6.99 on december 31, providing the seller with a 6% annual return. what was the price of the stock at the beginning of the year? $6.59 $1.16 $7.42 $5.84

Kimberly has been jonah in preparing his personal income tax forms for a couple of years. jonah's boss recommended kimberly because she had done a good job setting up the company's new accounting system. jonah is very satisfied with kimberly's work and feels that the fees she charges are quite reasonable. kimberly would be classified as a(n) (a) independent auditor (b) private accountant (c) public accountant (d) accounting broker

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?