- In A Study Of Cell Phone Usage And Brain Hemispheric Dominance An Internet Survey Was E Mailed To 6983 Subjects Randoml 1 (41.4 KiB) Viewed 25 times
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6983 subjects randomly selected from an online group involved with ears. There were 1301 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 GED Identify the null hypothesis and alternative hypothesis. OA. Ho-p=0.2 Hyp>0.2 (e Hoi p=0.2 Hp <0.2 OE. Ho:p>0.2 Hy p=0.2 OB. Ho p<0.2 H:p=0.2 OD. Ho p#0.2 Hy p=0.2 OF H, p=0.2 Hyp#02 The test statistic is z=0 (Round to two decimal places as needed.)