In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6977 subjects randomly

Question

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 involved with 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 use the normal distribution as an approximation to the binomial distribution. Identify the null hypothesis and alternative hypothesis. A. H₂ p=0.2 H₁ p>0.2 C. Ho p=02 H₁ p 0.2 E. Ho p=02 H₁ 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 return rate is less than 20%. the significance level, O B. Ho: p=0.2 H₁: p=0.2 OD. Ho p>0.2 H₁: p=0.2 OF. Ho p<0.2 H₁: p=0.2 the null hypothesis. There is evidence to support the claim that the

Kunduz · Accepted Answer

Click to see the answer