Question

A survey 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?

Answer 1

If it is all calculated together correctly then the final answer would be 25%.

Answer 2

The answer would be 25%