Mathematics, 22.04.2021 04:00, anonymous176

E A
G
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 2608 subjects randomly selected from an online group involved with da
ears. 1111 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys.
a) Find the best point estimate of the population proportion p.
A
0.426
(Round to three decimal places as needed.)
X

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E A
G
Use the sample data and confidence level given below to complete parts (a) throu...