20. Probability-weighted mean and standard deviation Aa Aa A financial analyst following Singh, Inc. has created the following probability distribution to describe Singh's expected return over the next year. Singh's fortunes rely on the success of a new product. The probability distribution shown reflects the analyst's expectation of the stock's return depending on how well the new product sells Condition Probability Return Bad Average Great -40% 10% 45% 0.30 0.50 0.20 What is the expected return on the stock? 22.5090 19.00% 10.50% 2.00% o 5.5090 What is the expected standard deviation of stock returns? 29.44% 25.67% 30.51% 31.21% 26.57%