Answer:It would be: 15 - (-11)
= 15 + 11
= 26
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The company should guarantee a lifetime of less than equal to 20.95 years so that less than 3% of the television sets fail while under warranty.     
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 36 years
Standard Deviation, σ = 8 years
We are given that the distribution of life of television sets is a bell shaped distribution that is a normal distribution.
Formula:

We have to find the value of x such that the probability is 0.03.
  
Calculation the value from standard normal z table, we have,  
  
Thus, the company should guarantee a lifetime of less than or equal to 20.95 years so that less than 3% of the television sets fail while under warranty.
 
        
             
        
        
        
Answer: No mistakes was made
Step-by-step explanation:
Because It all equals the same as the answer
 
        
                    
             
        
        
        
Answer:
74
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Well plz dont delete my question
Step-by-step explanation:
I need points to get mine out