Question: I need a step by step solucin so I can learn how to solve it please. Use the sample data and confidence level given below

I need a step by step solucin so I can learn how to solve it please.

Use the sample data and confidence level given below to complete parts ( a) through (d) In a study of cell phone use and brain hemispheric dominance, an Internet survey was e mailed to 2564 subjects randomly selected from an online group involved with ears. 1125 surveys were returned, Construct a 90% confidence interval for the proportion of returned surveys; Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p (Round to three decimal places as needed ) b) Identify the value of the margin of error E (Round to three decimal places as needed" c) Construct the confidence interval

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