In: Math
(1) The table below is a probability distribution of potential quantity of sales of Gourmet sausages during a game. John Bull has to pay a concession fee of $200 to receive a permit to sell sausages at the stadium. Gourmet sausages can be bought at wholesale for $2.00 and sold in the stadium for $3.50 each. Unsold sausages cannot be returned. Given the probability distribution:
| 
 SALES  | 
 Probability  | 
| 
 100  | 
 0.05  | 
| 
 150  | 
 0.06  | 
| 
 200  | 
 0.10  | 
| 
 250  | 
 0.20  | 
| 
 300  | 
 0.25  | 
| 
 350  | 
 0.30  | 
| 
 400  | 
 0.04  |