In randomized, double-blind clinical trials of a new vaccine, rats were randomly divided into two groups. Subjects in group 1 received the new vaccine while subjects in group 2 received a control vaccine. After the second dose, 110 of 703 subjects in the experimental group (group 1) experienced fever as a side effect. After the second dose, 67 of 584 of the subjects in the control group (group 2) experienced fever as a side effect. Does the evidence suggest that a higher proportion of subjects in group 1 experienced fever as a side effect than subjects in group 2 at the a = 0.10 level of significance? Verify the model requirements. Select all that apply. YA. The samples are independent. B. nPi (1-P1) 2 10 and ng2 (1-P2) 2 10 Yc. The sample size is less than 5% of the population size for each sample. O D. The sample size is more than 5% of the population size for each sample. O E. The data come from a population that is normally distributed. O F. The samples are dependent. Determine the null and alternative hypotheses. Ho: P1 P2 H1: P1 > P2 Find the test statistic for this hypothesis test.
In randomized, double-blind clinical trials of a new vaccine, rats were randomly divided into two groups. Subjects in group 1 received the new vaccine while subjects in group 2 received a control vaccine. After the second dose, 110 of 703 subjects in the experimental group (group 1) experienced fever as a side effect. After the second dose, 67 of 584 of the subjects in the control group (group 2) experienced fever as a side effect. Does the evidence suggest that a higher proportion of subjects in group 1 experienced fever as a side effect than subjects in group 2 at the a = 0.10 level of significance? Verify the model requirements. Select all that apply. YA. The samples are independent. B. nPi (1-P1) 2 10 and ng2 (1-P2) 2 10 Yc. The sample size is less than 5% of the population size for each sample. O D. The sample size is more than 5% of the population size for each sample. O E. The data come from a population that is normally distributed. O F. The samples are dependent. Determine the null and alternative hypotheses. Ho: P1 P2 H1: P1 > P2 Find the test statistic for this hypothesis test.
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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