252 Part 3: Stocks and Opetions (6-4) A seck's return has the followiag destritution: Expeced Tesin) Dospete Deribution Calculate the stoci's expected return, stanulard deriation, and cocfficient of varint Descete Datieventen 2(5,5) a. Calculate the eypected rates of return for the market and Stock J. b. Calculate the standard deviations for the market and Stock J. c. Calculate the cocfficients of variation for the market and Stokk I. Redpiend tiche of fortur a. Calculate Gook A's beta. b. If Stock A 's beta were 20 , then what would be A2 new required rase dif return? (67) Suppose rke=925,r4=147b4 and b4=1.3. SVII. rcmaiss comstant. Hene woald this affoet rM and r1 ? (6-8) Suppore you hold a diversified portiobio contuisting of a 57,300 imvertekent an at