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1- Standard deviation is a measure for: a risk . b risk and . return c yield . 2- For a stock, the larger the standard deviation: a The tighter the probability distribution, and has no realtion to the . riskness of the stock b The tighter the probability distribution, and less risky the stock . c The wider the probability distribution, and more risky the stock . 3- Assume for a project amount received is R and amount invested is I, rate of return is: a -R + I / I . bR / I + 1 . c -(1 - R / . I) 4- The financial risk is increased by using: a Short term debt to finance short . term assets b Short term debt to finance all . assets c Long term debt to finance all . assets 5- The coefficient of variation (CV) is: a The standard deviation divided by total sales . b The standard deviation divided by expected . income c The square root of the variance divided by the . expected return 6- If the degree of operating leverage is 4, then one percent change in quantity sold should result in: a a 4% change in contribution . margin b a 1% change in revenue or . sales revenue c a 4% change in net income . 7- In the Capital Asset Pricing Model (CAPM), \"beta\" is a measure of: a Non market risk . b Idiosyncratic risk . c Nondiversifiable . risk 8- When a beta for a company is less than one means: a the stock market have beta more than one . b The company is more risky than the market. . c If the stock market increae by 1%, the company's stock . increase by less than 1%