FIND THE MARGIN OF ERROR - 22

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 14th, 2015

Given c = 0.90
s = 3.5
n = 49


 z-value of 0.90 is 1.64

M.E=  


Margin of error 
E = 1.64(3.5/√49) 
E= 1.64(3.5/7)  = 1.64 * 0.5  = 0.820

Apr 14th, 2015

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