TOL STA2023 STATISTICS ONLINE 685023 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6969 subjects randomly selected from an online group involved with ears. There were 1314 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. O A. Ha p*0.2 O B. Ho: p=0.2 H1: p=0.2 H1: p#0.2 O C. Ho: p=0.2 O D. Ho: p> 0.2 HI p 0.2 The test statistic is z = (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) Because the P-value is the significance level, the null hypothesis, There is evidence to support the claim that the return rate is less than 20%. Exam Guidelines & Proctor Chat Hide Exit Honorlock Browser Guard Calculator Allowed Websites Window Support Toolbar