In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6967 subjects randomly selected from an online group involved with ears. There were 1342 surveys...

8.2-5

Extracted text: In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6967 subjects randomly selected from an online group involved with ears. There were 1342 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. Ho p>0.2 O B. Ho p<0.2 hp="0.2" h="" p="0.2" oc.="" ho:="" p#02="" h="" p="02" o="" e.="" ho="" p="0.2" h="" p="">0.2 D. Ho p=0.2 H, p<02 of.="" ho="" p="02" h,="" p#0.2="" the="" test="" statistic="" is="" z="ur" (round="" to="" two="" decimal="" places="" as="">