a) What is the total percentage return for an investor who purchased a stock for $5.12, received $2.2 in dividend payments, and sold the stock for $8.3?
b) A stock has monthly returns of 21%, -7%, 16%, and 24%. What is the stock’s geometric average return?
c) A stock had the following annual returns: 23%, 6%, 24%, and -10%. What is the stock's expected return, variance, and standard deviation? (Show your answer to 4 decimals)
d) A stock has an expected return of 3.8% and a standard deviation of 13.5%. What is the 68%, 95%, and 99% confidence interval for this stock?