In clicas trals of a medication, 2107 subjects were divided into two groups. The 1520 subjects in group 1 received the medication. The 578 in group 2 received a pacoba. Of the 1529 subjects in group 1, 54 experienced dirsiness as a side effect in group 2, 12 experienced darziness as a side effect. To lest whother the proporion experiencing dixziness in grovp 1 is greater than that in gro 2. the researchens entered the datn into statatical schware and obtained the following results. Test at a =0.05. Estimate for p(1)−p(2)=0.014556 95\% Cl for p(1)−α2)(−0.0003,0.029412) Test for p(1)−p(2)=D(vs>0kz=1.71 P-value =0.044 (This is a reading assessment question