future value

[finmanace]

Aerosol Products has projected its income as 10% for the upcoming year.  The analysts who put together this forecast state the standard deviation of this forecast is accurate with a standard deviation of 5%.  What is the probability that the company will lose money in the upcoming year?  Please show me how you got your answer.  Thanks in advance!

[ewand]

by definition, you can't have a standard deviation of a standard deviation.