Answer:
84%
Step-by-step explanation:
The empirical rule states that 68% values are within 1 standard deviation of mean, i.e, 
70
±
15
 or from 55 to 85. Since normal distribution is symmetric, we must have (32%) outside this range, and 32/2=16% on the right if this range. Hence below 85 we have (100-16) % = 84%
 
        
             
        
        
        
Answer:
Step-by-step explanation:
I can't see
 
        
                    
             
        
        
        
-4.878-(-8.96) can be changed to -4.878 + 8.96 because when you subtract a negative it becomes a positive so the answer would be 4.082 or B
        
                    
             
        
        
        
Answer:
1.5 I'm pretty shure
Step-by-step explanation: