Question: Forindependent Y1 binom(n1, 1) and Y2 binom(n2, 2) random variables, 1~2 is called the relativerisk or risk ratio. Thismeasureisoftenusedinmedicalresearchtocomparethe probabilityofacertainoutcomefortwotreatments. (a) Arandomizedstudywith n1

Forindependent Y1 ∼ binom(n1, π1) and Y2 ∼ binom(n2, π2) random variables, ˆπ1~ˆπ2 is called the relativerisk or risk ratio. Thismeasureisoftenusedinmedicalresearchtocomparethe probabilityofacertainoutcomefortwotreatments.

(a) Arandomizedstudywith n1 = n2 = 50 compares theprobabilitiesofsuccess π1 for anew drug and π2 for placebo.Suppose π1 =

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