In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2648 subjects randomly selected from an online group involved with ears. 1055 surveys were returned. Construct a 95% confidence interval for the proportion of returned surveys. LOADING... Click the icon to view a table of z scores. Question content area bottom Part 1 a) Find the best point estimate of the population proportion p. enter your response here