integer. eighth grade level at the 95 % confidence level with an error of at most 0.02? Round your answer up to the next How large a sample would be required in order to estimate the fraction of tenth graders reading at or below the below the eighth grade level. In an earlier study, the population proportion was estimated The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or 01:24:57 to be 0.18.​