Question 1175298
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Hi

ME = {{{z*sqrt((p(1-p))/n)}}}
ME = {{{1.96*sqrt((.76(.24))/125)}}} = .075
CI: (.685 , .835 )

2) mean= 27/60= .45
ME = {{{1.96sqrt((.45)(.55)/60)}}}  = .126 
CI: (.324 , .576) 
   
Wish You the Best in your Studies.
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