In a large cinical tral, 390,174 chistren wore inindomiy assigned to two groups. The treatment group conseted of 196,953 efidtren given a vaccune for a certain diseise, and 32 of those chadien developed the disease the other t93,221 chidion were given a placebo, and 109 of tosest childien developed the disease Consider the vaccine treatment group to be the trst sarche idonby the valum of n1,p1,q1,n2,P^2,Q2,p, and q n1=.