| 
		  
		  
		  
		   One item is filed under this topic. 
   | 
   | 
   | 
   | 
   | 
  
    | 
    | 
    | 
   
   | 
    Null hypothesis | 
  2007-05-13 | 
   
    | 
  From Dani: A poll of 1068 American voters indicated that 48% supported te Democratic candidate for presidency.  At the 0.05 level of significance, test the claim that less than 50% of American voters preferred the Democratic candidate. Answered by Penny Nom. | 
   
    | 
   
    | 
   
 
		  
		  
 |