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n 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

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n 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, 100 of 690 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 57 of 571 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 = 0.10 level of significance? A. The sample size is less than 5% of the population size for each sample. B. The data come from a population that is normally distributed. C. The samples are dependent. D. The samples are independent. E. n, p, (1 -P, ) = 10 and n2P2 (1 -P2) = 10 F. The sample size is more than 5% of the population size for each sample. Determine the null and alternative hypotheses. to: P, VP2 P Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. (Round to three decimal places as needed.) nterpret the P-value. the population proportions are one would expect a sample difference proportion the one observed in about out of 1000 repetitions of this experiment. Round to the nearest integer as needed.) State the conclusion for this hypothesis test. A. Do not reject Ho. There is sufficient evidence to conclude that a higher proportion of subjects in group 1 experienced drowsiness as a side effect than subjects in group 2 at the or = 0.10 level of significance. O B. Reject Ho. There is not sufficient evidence to conclude 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. C. Do not reject Ho. There is not sufficient evidence to conclude 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. O D. Reject H. . There is sufficient evidence to conclude 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

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