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Use the sample data and confidence level given below to complete parts (a) through (d). In...
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 2425 subjects randomly selected from an online group involved with ears.1078
surveys were returned. Construct a 95% confidence interval for the proportion of returned surveys.
A.) find the best point of the estimate of the population of portion p.
B.) Identify the value of the margin of error E.
C.) Construct the confidence interval. Round to 3 decimal places
D.) Write a statement that correctly interprets the confidence interval.
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