(Solved): Use the sample difa and contidence level given below to complete parts (a) through (d) In a study o ...

Use the sample difa and contidence level given below to complete parts (a) through (d) In a study of cell phone use and brain hemispheric dominance. an intemet survey was e-mailod to 2357 subjects randomly selected from an orline group involved weth ears. 1114 surveys were retumed Construct a \( 99 \% \) confidence interval for the proportion of returved survoys: Gick the icon to view a table of 2 scores a) Find the best point estirnate of the population proportion p (Round to three decimal places as needod) b) Identify the value of the margin of enor \( E \) - \( E= \) (Round to throe decimal places as needed) c) Construct the confidence interval. epe (Fround to theed decinial places as reseded) d) Whte a statement that contectly interpets the confidence interval Choose the conect ancwer below. Use the sample data and confidence level grven below to complete parts (a) through (d) In a study of cell phone use and brain hemepheric dominance, an laternet survey was emxiled to 23st subjects randoenly selocted from an orine group irvalved wath ean. 1114 surveys were retumed. Construct a 9946 confidence interval for the proportion of retumed surveys. Click the icon to view a table of z scores