UGBA 103

If Phonetics is a comparatively recent subject for European students of foreign languages and is eyed by them with some sus- picion as an invention that is meant to make their studies difficult, it is even more so with English Phonetics for African students. Have not Africans been learning English for over a century, and with good results in many cases, without giving a thought to its phonetics? Why introduce this new subject and add to the number of books they have to read and the number of exa...

a) (5 points) Calculate expected return of stock i and j respectively. b) (5 points) Calculate the standard deviation of stock i ’s and j’s returns respectively. c) (5 points) The correlation coefficient between stock i’s and j’s return is 0.76. Calculate the standard deviation of the return of a portfolio of 40% in stock i and 60% in stock j