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Marcus estimates that 230 people will attend the choir concert. There was an actual total of 300 people who attended the choir concert. What is the percent error

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nuttyliaczar
First find the numerical difference between the estimate and the actual attendance numbers.
300-230 = 70
What percentage of the estimated attendance is 70?
70/230 = .3043 = 30.43% error
achinn2016
(Experimental-Estimate)/Estimate= (300-230)/230=.3043
Then multiply by 100 to get the percentage, 30.43%

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