A researcher wants to estimate the impact prenatal care during pregnancy can have on premature deliveries by conducting a retrospective case-controlled study on new moms. If the prevalence of premature births is 10.9%, the researcher should enroll a total of 586 women in the study if the researchers want to construct a 90% confidence interval fir the difference in proportions that has a margin of error of no more than 3%.
A researcher wants to estimate the impact prenatal care during pregnancy can have on premature deliveries by conducting a retrospective case-controlled study on new moms. If the prevalence of premature births is 10.9%, the researcher should enroll a total of 586 women in the study if the researchers want to construct a 90% confidence interval fir the difference in proportions that has a margin of error of no more than 3%.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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True or false? A researcher wants to estimate the impact prenatal care during pregnancy can have on premature deliveries by conducting a retrospective case-controlled study on new moms. If the prevalence of premature births is 10.9%, the researcher should enroll a total of 586 women in the study if the researchers want to construct a 90% confidence interval fir the difference in proportions that has a margin of error of no more than 3%.
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