help please

10 01 60 This question: 1 point(s) possible Submit test K Use the sample data and confidence level given belowitor complete parts (a) In a study of cell phone use and bram hemis dominance andonly selected from an online group involved with ears Were returned Constructa969 Click the icon to view a table of z scores al Find the best point estimate of the population proportion I Round to three decimal places as needed: by Identify the value of the margin of error