Problem 9. [5 pts] Consider the world economic outlook for the coming year and estimates of sales and earnings for the pharmaceutical industry, you expect the rate of return for company BiTeX to range between -0.20% and 0.80% with the following probabilities: Probability 0.10 0.125 0.15 0.25 0.15 0.125 0.10 Possible returns -0.20 -0.10 -0.08 0.15 0.07 0.30 0.80 Compute both the expected rate of return and standard deviation for company BiTeX