Answer:
μy = $6.56 ; σy = 2.77 
Step-by-step explanation:
Given the data :
Mean μx= $8.56
Standard Deviation σx ≈ 2.77
Profit, Y on pizza with current promo :
Price off on pizza = $2
Y = x - 2
μx = E(x) = $8.56
μy = μ(x - 2)
μy = μx - $2
μy = $8.56 - $2
μy = $6.56
For the standard deviation of y
σx ≈ 2.77
σy = σ(x - 2)
σy = σx - 2
Constants are treated as 0 for standard deviation 
σy = 2.77 
 
        
             
        
        
        
Answer:
137,257
Step-by-step explanation:
 
        
             
        
        
        
The answer is $4270
add 9500+1500+1870=12870 then subtract your savings 12870-6100=6770 then subtract your scholarship 6770-2500=4270