Probability	Expected Return
0.1	-15%
0.5	7%
0.3	11%
0.1	15%

Suppose a company has the probability distribution for annual returns described in the box above. What would the standard deviation be for this company?

Instruction: Type your answer in the unit of percentage point, and round to three decimal places. E.g., if your answer is 0.0106465 or 1.06465%, should type ONLY the number 1.065, neither 0.0106465, 0.0106, nor 1.065%. Otherwise, Blackboard will treat it as a wrong answer.