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In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6977 subjects randomly selected from an online group
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6977 subjects randomly selected from an online group involvedwith ears. There were 1312 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 usethe normal distribution as an approximation to the binomial distribution.Identify the null hypothesis and alternative hypothesis.A. H? p=0.2H? p>0.2C. Ho p=02H? p 0.2E. Ho p=02H? p0.2H?: p=0.2OF. Ho p
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