Answer:
20.91%
Step-by-step explanation:
Provided information
Average historical rate of return = 10.1 %
Variance = 0.0116751
By considering the above information, the standard deviation would be
= Square root of Variance
= 10.81%
So the upper percentage range of return would be
= Standard deviation + standard deviation
= 10.81% + 10.1%
= 20.91%
Since we have to find out the upper percentage so we added it otherwise we have to deduct it