The S&P 500 and Nehr Corp had the following returns over the past five years: Year S&P 500 .12 201 3 .18 Nohc .23 -.05 .20 .12 .09 .10 .20 a. What was the mean AND standard deviation of returns (population version) for Nohr for the 5 years? b. What was the beta of Nohr relative to the S&P 500? c. What was the geometric mean return for Nohr for the 5 years? 2. Judy's Micro Devices Corp. has the following expectations for its return on equity in different economic situations. Based on the probabilities provided, what are the mean AND standard deviation for Judy's return on equity? Economy ProbROE Boom 20 20% Normal .60 10% Bust 200%