9:45 64 Q 46 ,| 75% 17 E APUS CLE : MATH302 A007 S... I able Or Contents Part 6 of 9 - Question 14 of 25 1.0 Points Click to see additional instructions The annual returns, in percentages, on stocks A and B for three possible states of the economy are given in the table below. Economy State Probability StockA StockB Good 0.5 40 20 Average 0.3 20 40 Bad 0.2 10 8 Question Progress If one invested in StockA, what would be the standard deviation of the percentage return? Place your answer, in percent rounded to 1 decimal place, in the blank. For example, a standard deviation of 10.39 percent would be reported as 10.4. Do not use a percent sign. 12.0 Previous Next Save Exit C O &lt