n randomized, double-blind clinical trials of a new vaccine, infants 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, 129 of 674 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 86 of 555 of the subjects in the control group (group 2) experienced drowsiness as a side effect. Does the evidence suggest that a higher proportion of subjects in group 1 experienced drowsiness 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. A. The samples are independent. OB. The sample size is more than 5% of the population size for each sample. OC. The data come from a population that is normally distributed. I D. The samples are dependent. YE. The sample size is less than 5% of the population size for each sample. n,Pi (1-P1) 2 10 and ngô2 (1-P2) 2 10 Determine the null and alternative hypotheses. Ho: P1 = P2 H:P1 > P2 Find the test statistic for this hypothesis test. 1.67 (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. (Round to three decimal places as needed.)
n randomized, double-blind clinical trials of a new vaccine, infants 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, 129 of 674 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 86 of 555 of the subjects in the control group (group 2) experienced drowsiness as a side effect. Does the evidence suggest that a higher proportion of subjects in group 1 experienced drowsiness 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. A. The samples are independent. OB. The sample size is more than 5% of the population size for each sample. OC. The data come from a population that is normally distributed. I D. The samples are dependent. YE. The sample size is less than 5% of the population size for each sample. n,Pi (1-P1) 2 10 and ngô2 (1-P2) 2 10 Determine the null and alternative hypotheses. Ho: P1 = P2 H:P1 > P2 Find the test statistic for this hypothesis test. 1.67 (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. (Round to three decimal places as needed.)
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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Transcribed Image Text:In randomized, double-blind clinical trials of a new vaccine, infants 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, 129 of 674
subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 86 of 555 of the subjects in the control group (group 2) experienced drowsiness as a side effect. Does the evidence suggest that a
higher proportion of subjects in group 1 experienced drowsiness 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.
O B. The sample size is more than 5% of the population size for each sample.
O c. The data come from a population that is normally distributed.
O D. The samples are dependent.
YE. The sample size is less than 5% of the population size for each sample.
nội (1-P1) 2 10 and nz2 (1- P2) 2 10
F.
Determine the null and alternative hypotheses.
Họ: P1 = P2
H: P1 > P2
Find the test statistic for this hypothesis test.
1.67 (Round to two decimal places as needed.)
Determine the P-value for this hypothesis test.
|(Round to three decimal places as needed.)
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