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72 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6961 subjects randomly selected from an online group involved with ears. There were 1306 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 M₂: p=02 H₂:p<02 OC. H₂p#02 H₂:p=02 OE H₂: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 less than the significance level, greater than the null hypothesis. There is reject fail to reject sufficient OB. Ho: p=0.2 H₂:p*0.2 insufficient OD. Ho: p=0.2 H₁: p>0.2 evidence to support the claim that the retum rate is less than 20%. OF. Ho:p<0.2 H₁: p=0.2 This questo

72 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6961 subjects randomly selected from an online group involved with ears. There were 1306 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 M₂: p=02 H₂:p<02 OC. H₂p#02 H₂:p=02 OE H₂: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 less than the significance level, greater than the null hypothesis. There is reject fail to reject sufficient OB. Ho: p=0.2 H₂:p*0.2 insufficient OD. Ho: p=0.2 H₁: p>0.2 evidence to support the claim that the retum rate is less than 20%. OF. Ho:p<0.2 H₁: p=0.2 This questo

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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72 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6961 subjects randomly selected from an online group involved with ears. There were 1306 surveys retumed. 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 H₂: p=0.2 H₁: p<0.2 OC. Ho: p*0.2 H₁: p=0.2 OE. Ho:p>0.2 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 less than the significance level, greater than the null hypothesis. There is reject fail to reject sufficient OB. Ho: p=0.2 H₁: p=0.2 insufficient OD. Ho: p=0.2 H₁: p>0.2 evidence to support the claim that the return rate is less than 20%. OF. Ho: p<0.2 H₁: p=0.2 This quest
Transcribed Image Text:72 In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6961 subjects randomly selected from an online group involved with ears. There were 1306 surveys retumed. 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 H₂: p=0.2 H₁: p<0.2 OC. Ho: p*0.2 H₁: p=0.2 OE. Ho:p>0.2 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 less than the significance level, greater than the null hypothesis. There is reject fail to reject sufficient OB. Ho: p=0.2 H₁: p=0.2 insufficient OD. Ho: p=0.2 H₁: p>0.2 evidence to support the claim that the return rate is less than 20%. OF. Ho: p<0.2 H₁: p=0.2 This quest
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