Question: A matched case-control study was carried out to explore whether a baby's low birth weigh (LBW) outcome is associated with the mothers smoking status. It

A matched case-control study was carried out to explore whether a baby's low birth weigh (LBW) outcome is associated with the mothers smoking status. It is a 1:1 matched design and the outcomes are summarized in a table as follows. We are interested in whether there is evidence that smoking is associated with LBW? Non Smoker LBW Not LBW Smoker LBW 16 18 Not LBW 6 20 (a) (5pt) What is the null and alternative hypothesis? Carry out the test at =5% significance level to determine whether there is evidence that smoking is associated with LBW?

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