Problem 6.17 Ben would like to invest in gold and is aware that the returns on such an investment can be quite volatile. Use the following table of states, probabilities, and returns and determine Probability 0.1 Return 31% 25% 0.2 Boom Good Ok Level Slump 0.3 0.2 0.2 11% 3% -6% What is the expected return on Ben's gold investment? (Round answer to 3 decimal places, e.g. 0.076.) Expected return LINK TO TEXT What is the standard deviation of the return on Ben's gold investment? (Round intermediate calculations and answer to 5 decimal places, e.g. 0.07680.) Standard deviation