16 for the two ciseat Circle your A polling eompany dennek a

#16

for the two ciseat Circle your A polling eompany dennek a \"nkely vorer asomeone wernd in each ofthe in wo elections. The compaay B15 which they uppun the upcoming election Find the margin of emor for poll toee seunert enh era pesoem.

Solution

when the sample size is given, the margin of error to the nearest

tenth of a percent = +/- 1/sqrt(sample size

= +/- 1/sqrt(815) =+/0.0350

=+/- 3.5 % ( nearest tenth of percent multiply by 100)