There is 17.65% error in calculations.
Step-by-step explanation:
People planned = Approx value = 20
People attended = Exact value = 17
Percent error = [tex]\frac{|approx-exact|}{exact}*100[/tex]
[tex]Percent\ error=\frac{|20-17|}{17}*100\\\\Percent\ error=\frac{3}{17}*100\\\\Percent\ error=\frac{300}{17}\\\\Percent\ error=17.65\%[/tex]
There is 17.65% error in calculations.
Keywords: error, percentage
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