Answer:

Step-by-step explanation:
Sample size 52 card
Pay for J or Q 
Pay for King or Ace 
Pay for others 
Therefore
Probability of drawing J or Q

Probability or drawing King or Ace

Probability or drawing Other cards

Therefore
Expected Gain is mathematically given as



 
        
             
        
        
        
If x = 7 you substitute all the x in the equation by 7:
y = -2(7) + 5
y = -14 + 5
y = -9
Hope it helped, 
Happy homework/ study/ exam!
 
        
             
        
        
        
3 and a half cookies! that should be the answer!
        
                    
             
        
        
        
345 i love your mom and I love your hair
        
             
        
        
        
Answer: 98 degrees
Step-by-step explanation: