Probability
Expected Return
0.3
-10%
0.4
5%
0.3
15%
If IBM has the probability distribution shown in the table
above, what is IBM’s standard deviation?
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%, because I already have percentage
sign at the end of the problem. Otherwise, Blackboard will treat it
as a wrong...