Remaining Time: 54 minutes, 10 seconds. Question Completion Status: > A Moving to another question will save this response. 1 Question 31 of 40 2.5 points Question 31 Save Answ What is the standard deviation of the returns on a portfolio that is invested in stocks R, S, and T? Twenty five percent of the portfolio is invested in stock Rand 40 percent is invested in stock T. State of Probability of Rate of Return Economy State of Economy if State Occurs Stock R Stock S StockT Boom 596 1796 696 2296 Normal 55 8 10 15 Recession 40 -3 19 -25 O 8.72 percent 6.49 percent 7.40 percent 6.31 percent O 7.83 percent car nu