The goal of this project is to evaluate physician's recommendations that women not smoke or drink during pregnancy.
Physicians encourage pregnant women to refrain from such activities as smoking and drinking.
It is believed that women who engage in these activities are at higher risk of having an unhealthy child. One health concern in particular is low birth weight. Create a contingency table of low vs. smoke . Give an estimate of the marginal probability of a low birth weight child. Give an estimate of the marginal probability that a child s mother smokes.