A company is thinking about launching product. The table below shows the analyst conclusions with respect to the demand and return for the company on the product.
   
| Demand | 
Prob | 
Return | 
| Average  | 
65% | 
40% | 
| Below Average | 
20% | 
5% | 
| Very Little | 
15% | 
-100% | 
1) Calculate the standard deviation. Show all work.
2) What does the standard deviation say about launching this product?