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In randomized, double-blind clinical trials of a new vaccine, monkeys were randomly divided into two groups. Subjects in group x received the new vaccine while subjects in group y received a control vaccine. After the first dose, 117 of 724 subjects in the experimental group (group x) experienced vomiting as a side effect. After the first dose, 71 of 625 of the subjects in the control group (group y) experienced vomiting as a side effect. Construct a 99% confidence interval for the difference between the two population proportions, Px - Py. The 99% confidence interval for Px - Py is (.). (Round to three decimal places as needed.)

In randomized, double-blind clinical trials of a new vaccine, monkeys were randomly divided into two groups. Subjects in group x received the new vaccine while subjects in group y received a control vaccine. After the first dose, 117 of 724 subjects in the experimental group (group x) experienced vomiting as a side effect. After the first dose, 71 of 625 of the subjects in the control group (group y) experienced vomiting as a side effect. Construct a 99% confidence interval for the difference between the two population proportions, Px - Py. The 99% confidence interval for Px - Py is (.). (Round to three decimal places as needed.)

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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In randomized, double-blind clinical trials of a new vaccine, monkeys were randomly divided into two groups. Subjects in group x received the new vaccine while subjects in group y received a control vaccine. After the first dose, 117 of 724 subjects in the experimental group (group x) experienced vomiting as a side effect. After the first dose, 71 of 625 of the subjects in the control group (group y) experienced vomiting as a side effect. Construct a 99% confidence interval for the difference between the two population proportions, Px - Py. The 99% confidence interval for Px - Py is (.). (Round to three decimal places as needed.)
Transcribed Image Text:In randomized, double-blind clinical trials of a new vaccine, monkeys were randomly divided into two groups. Subjects in group x received the new vaccine while subjects in group y received a control vaccine. After the first dose, 117 of 724 subjects in the experimental group (group x) experienced vomiting as a side effect. After the first dose, 71 of 625 of the subjects in the control group (group y) experienced vomiting as a side effect. Construct a 99% confidence interval for the difference between the two population proportions, Px - Py. The 99% confidence interval for Px - Py is (.). (Round to three decimal places as needed.)
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