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A group of researchers wants to know whether men (population 1) are more likely than women (population 2) to contract a novel coronavirus. They surveyed two random samples of 490 men and 480 women who were tested and found that 52 men and 91 women in the samples tested positive. Can you conclude that the proportion of positive tests among men is less than the proportion of positive tests among women? Use level of significance 5%. Procedure: Select an answer Step 1. Hypotheses Set-Up: the where Select an answer Select an answer Ho: Select an answer and the units are Select an answer Ha: Select an answer and the test is Select an answer Step 2. The significance level a (Round the answer to 3 Step 3. Compute the value of the test statistic: Select an answer decimal places) Step 4. Testing Procedure: (Round the answers to 3 decimal places) CVA PVA Provide the critical value(s) for the Rejection Region: Compute the P-value of the test statistic: left CV is and right CV is P-value is Step 5. Decision: CVA PVA Is the test statistic in the rejection region? Is the P-value less than the significance level? Conclusion: Select an answer have sufficient evidence to reject the null At 5% significance level we Select an answer hypothesis in favor of the alternative hypothesis. Jump to Answer Step 6. Interpretation: Question Help: Video Submit Question

A group of researchers wants to know whether men (population 1) are more likely than women (population 2) to contract a novel coronavirus. They surveyed two random samples of 490 men and 480 women who were tested and found that 52 men and 91 women in the samples tested positive. Can you conclude that the proportion of positive tests among men is less than the proportion of positive tests among women? Use level of significance 5%. Procedure: Select an answer Step 1. Hypotheses Set-Up: the where Select an answer Select an answer Ho: Select an answer and the units are Select an answer Ha: Select an answer and the test is Select an answer Step 2. The significance level a (Round the answer to 3 Step 3. Compute the value of the test statistic: Select an answer decimal places) Step 4. Testing Procedure: (Round the answers to 3 decimal places) CVA PVA Provide the critical value(s) for the Rejection Region: Compute the P-value of the test statistic: left CV is and right CV is P-value is Step 5. Decision: CVA PVA Is the test statistic in the rejection region? Is the P-value less than the significance level? Conclusion: Select an answer have sufficient evidence to reject the null At 5% significance level we Select an answer hypothesis in favor of the alternative hypothesis. Jump to Answer Step 6. Interpretation: Question Help: Video Submit Question

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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A group of researchers wants to know whether men (population 1) are more likely than women (population 2) to contract a novel coronavirus. They surveyed two random samples of 490 men and 480 women who were tested and found that 52 men and 91 women in the samples tested positive. Can you conclude that the proportion of positive tests among men is less than the proportion of positive tests among women? Use level of significance 5%. Procedure: Select an answer Step 1. Hypotheses Set-Up: where Select an answer the Ho: Select an answer Select an answer and the units are Select an answer Ha: Select an answer , and the test is Select an answer Step 2. The significance level a (Round the answer to 3 Step 3. Compute the value of the test statistic: Select an answer decimal places) Step 4. Testing Procedure: (Round the answers to 3 decimal places) CVA PVA Provide the critical value(s) for the Rejection Region: Compute the P-value of the test statistic: left CV is and right CV is P-value is Step 5. Decision: CVA PVA Is the test statistic in the rejection region? Is the P-value less than the significance level? Conclusion: Select an answer Step 6. Interpretation: At 5% significance level we Select an answer have sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis. Question Help: Video Submit Question Jump to Answer
Transcribed Image Text:A group of researchers wants to know whether men (population 1) are more likely than women (population 2) to contract a novel coronavirus. They surveyed two random samples of 490 men and 480 women who were tested and found that 52 men and 91 women in the samples tested positive. Can you conclude that the proportion of positive tests among men is less than the proportion of positive tests among women? Use level of significance 5%. Procedure: Select an answer Step 1. Hypotheses Set-Up: where Select an answer the Ho: Select an answer Select an answer and the units are Select an answer Ha: Select an answer , and the test is Select an answer Step 2. The significance level a (Round the answer to 3 Step 3. Compute the value of the test statistic: Select an answer decimal places) Step 4. Testing Procedure: (Round the answers to 3 decimal places) CVA PVA Provide the critical value(s) for the Rejection Region: Compute the P-value of the test statistic: left CV is and right CV is P-value is Step 5. Decision: CVA PVA Is the test statistic in the rejection region? Is the P-value less than the significance level? Conclusion: Select an answer Step 6. Interpretation: At 5% significance level we Select an answer have sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis. Question Help: Video Submit Question Jump to Answer
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