Question: Consider the low birth weight study. What sample size would be needed in a new study to be able to detect that the odds of

Consider the low birth weight study. What sample size would be needed in a new study to be able to detect that the odds of a low birth weight baby among women who smoke during pregnancy is 2.5 times that of women who do not smoke, using a 5 percent type I error probability and 80 percent power?

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