Answer:
499
Step-by-step explanation:
you take 1,375,244/2,756=499
 
        
                    
             
        
        
        
PEMDAS
15-(37+8)/3
15-45/3
15-15
0
        
                    
             
        
        
        
<span>
Based on the rules of statistics</span>
 68% of the data falls within 1 standard deviation of the mean
95% of the data falls within 2 standard deviation of the mean 
99% of the data falls within 3 standard deviation of the mean
 20 falls between the range of -56 to 56 (from the given 95%)
Hence we accept the null hypothesis; else, if the mean falls outside the
range, we reject the null hypothesis.
<span> </span>
 
        
        
        
Answer:
98 
Step-by-step explanation: