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Social Studies, 29.06.2019 12:30 zacharysharpe2805
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, 132 of 452 subjects in the experimental group (group 1) experienced drowsiness as a side effect. after the second dose, 39 of 103 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 alpha=0.10 level of significance? determine the null and alternative hypotheses. choose the correct answer below. a. ^ h 0 : p 1 = 0 versus ^ h 0 : p 1 not = 0 b. ^ h 0 : p 1 = p 2 versus ^ h 1 : p 1 not = p 2 c. ^ h 0 : p 1 = p 2 versus ^ h 1 : p 1 < p 2 d. ^ h 0 : p 1 = p 2 versus ^ h 1 : p 1 > p 2 the test statistic z 0 is negative 1.73. (round to two decimal places as needed.) the p-value is 0.084. (round to three decimal places as needed.) what is the result of this hypothesis test? a. reject the null hypothesis because there is not sufficient evidence to conclude that a different proportion of subjects in group 1 experienced drowsiness as a side effect than subjects in group 2 at the alpha=0.10 level of significance.
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In randomized, double-blind clinical trials of a new vaccine, monkeys were randomly divided into two...
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