a Claim about a Question 6, 8.2.15-T Part 2 of 4 > Points: 0 of 1 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6985 subjects randomly selected from an online group involved with ears. There were 1318 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. Identify the null hypothesis and alternative hypothesis. OA. Ho p>0.2 H: p=0.2 C. Ho: p #0.2 H: p=0.2 OE. Ho: p=0.2 H: p 0.2 The test statistic is z = (Round to two decimal places as needed.) OB. Ho p=0.2 H: p>0.2 D. Ho: p