In randomized, double-blind clinical trials of a new vaccine, monkeys 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, 118 of 704 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 75 of 585 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 data come from a population that is normally distributed. B. The samples are independent. O C. The sample size is more than 5% of the population size for each sample. O D. The samples are dependent. LE The sample size is less than 5% of the population size for each sample. E n (1-) 2 10 and ng2 (1-P2) 21 2 10 Determine the null and alternative hypotheses. Ho: P1 = P2 1:P1 > P2 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.)

In randomized, double-blind clinical trials of a new vaccine, monkeys 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, 118 of 704 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 75 of 585 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 data come from a population that is normally distributed. B. The samples are independent. O C. The sample size is more than 5% of the population size for each sample. O D. The samples are dependent. LE The sample size is less than 5% of the population size for each sample. E n (1-) 2 10 and ng2 (1-P2) 21 2 10 Determine the null and alternative hypotheses. Ho: P1 = P2 1:P1 > P2 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.)

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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, 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, 115 of 677 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 72 of 558 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 = 0.01 level of significance? Verify the model requirements. Select all that apply. A. The samples are independent. B. The samples are dependent. C. The data come from a population that is normally distributed. D. The sample size is more than 5% of the population size for each sample. E. The sample size is less than 5% of the population size for each sample. n,Pi (1- ê1) 10 and nyê2 (1-ê2) 1 F. P) 2…
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, 115 of 677 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 72 of 558 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 = 0.01 level of significance? Verify the model requirements. Select all that apply. A. The samples are independent. B. The samples are dependent. C. The data come from a population that is normally distributed. D. The sample size is more than 5% of the population size for each sample. E. The sample size is less than 5% of the population size for each sample. F. n, p1 (1-p1) 2 10 and n2p2(1- P2) 2 10…
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, 115 of 677 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 72 of 558 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 = 0.01 level of significance? Verify the model requirements. Select all that apply. A. The samples are independent. B. The samples are dependent. C. The data come from a population that is normally distributed. The sample size is more than 5% of the population size for each sample. E. The sample size is less than 5% of the population size for each sample. F. n, p1 (1-P1 2 10 and n2p2 1- P2) 2 10…
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. O A. 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. O E. The sample size is less than 5% of the population size for each sample. OF. n,Pi (1-ê) 2 10 and nz2…
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…
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. nP1 (1-P1) 2 10 and naP2 (1-P2) 2…
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, 126 of 387 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 158 of 574 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 α=0.01 level of significance? Verify the model requirements. Select all that apply. A. The sample size is less than 5% of the population size for each sample. B. n1p11−p1≥10 and n2p21−p2≥10 C. The samples are dependent. D. The sample size is more than 5% of the population size for each sample. E. The samples are independent. F. The data come…
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, 118 of 730 subjects in the experimental group (group 1) experienced fever as a side effect. After the second dose, 75 of 611 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 x = 0.10 level of significance? E. The data come from a population that is normally distributed. F. The samples are dependent. Determine the null and alternative hypotheses. Ho: P₁ H₁: P₁ > P₂ 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.) Interpret the P-value. = P₂
In randomized, double-blind clinical trials of a new vaccine, children 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, 123 of 460 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 24 of 106 of the subjects in the control group (group 2) experienced drowsiness as a side effect. Does the evidence suggest that a different proportion of subjects in group 1 experienced drowsiness as a side effect than subjects in group 2 at the a = 0.01 level of significance? Determine the null and alternative hypotheses. Choose the correct answer below. A. Ho: P1 =0 versus Ho: P, #0 B. Ho: P =P2 versus H,: P, P2 The test statistic zo is (Round to two decimal places as needed.)
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, 104 of 664 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 61 of 545 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 α = 0.05 level of significance? verity the model requirements. Select all that apply. A. The sample size is less than 5% of the population size for each sample. B. The samples are independent. C. The samples are dependent. □D. M₁0₁ (1-0₁) ² 1 - ₁) ≥ 10 and n₂^₂ (1-P₂) ≥10 E. The sample size is more than 5% of the population size for each sample. F. The data come from a population that is normally…
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, 104 of 664 subjects in the experimental group (group 1) experienced drowsiness as a side effect. After the second dose, 61 of 545 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 α = 0.05 level of significance? Determine the P-value for this hypothesis test. (Round to three decimal places as needed.) Interpret the P-value. If 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.…