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Mathematics, 14.07.2019 22:20 mamatonya5p5jl11

Asurvey of 9,000 customers at ron’s grocery store showed that 35% (3,150 customers) would buy grainy-os cereal. in the first month, 4,200 out of the 9,000 customers bought the cereal. what was the percent error in the survey estimate of the number of people buying grainy-os?

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