Mathematics, 05.11.2020 16:20 ProfS7843
In a study of cell phone usage and brain hemispheric​ dominance, an Internet survey was​ e-mailed to 6964 6964 subjects randomly selected from an online group involved with ears. There were 1340 1340 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than​ 20%. Use the​ P-value method and use the normal distribution as an approximation to the binomial distribution.
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In a study of cell phone usage and brain hemispheric​ dominance, an Internet survey was​ e-maile...
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