A survey of 480 students showed that 132 of them purchase books online. Find a 94% confidence interval estimate of the proportion of all students who purchase books online.   1) Critical Value =        2) Margin of Error (round answer to 3 decimal places) =        3) Confidence Interval (Type lower limit in the first textbox, upper limit in the second textbox. Express answers in decimal rounded to 3 decimal places):        < p <

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A survey of 480 students showed that 132 of them purchase books online. Find a 94% confidence interval estimate of the proportion of all students who purchase books online.
 
1) Critical Value = 
 
 
 
2) Margin of Error (round answer to 3 decimal places) = 
 
 
 
3) Confidence Interval (Type lower limit in the first textbox, upper limit in the second textbox. Express answers in decimal rounded to 3 decimal places):
 
 
 
 < p < 
  
 
 
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