Question: 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 IBMs standard deviation?

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 IBMs 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 answer.

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