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COL Karen Gutermuth
Professor of Economics and Business

 

This template provides probabilities for the mean of a random sample.
Assumptions for using the standard normal distribution must be met.
Yellow shaded cells require user input.  
     
Sample Size  
     
Sample Statistics    
mean  
standard deviation  
     
Left-tail Probability    
Value  
P(Xbar < Value)
   
Right-tail Probability    
Value  
P(Xbar > Value)  
   
Interval Probability    
minimum  
maximum  
P(min < Xbar < max)  
   

Automatic recalculation 

 

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Last updated on 11 January 2007