thE grAph ABovE shows how A sAmplE oF 10 DiFFErEnt votErs(vErtiCAl Axis)votED For 5 DiFFErEnt CAnDiDAtEs(horizontAl Axis)．EACh votEr votED For EithEr onE or two oF thE FivE CAnDiDAtEs(no votEr votEDtwiCE For thE sAmE CAnDiDAtE)．thE two CAnDiDAtEs rECEiving thE most votEs wErE thE winnErs．thE sAmplE ConstitutED 5 pErCEnt oF thosE in thE DistriCt who votED，AnD thE numBEr oF votEs in thE DistriCt For EACh CAnDiDAtE wAs in thE sAmE proportion As thE numBEr oF votEs in thE sAmplE For EACh CAnDiDAtE．
问题7—9参照下面的图表信息：
标题：x地区一个选民样本的选举结果
上面冈表表明了10个不同的投票者(纵轴)，对5个不同的候选人的投票(横轴)选举样本。每个选民投票支持5个候选人中的某一个或某两个(没有投票者对同一候选人投2次票)。两个获得选票最多的候选人为获胜者。该样本占这个地区投票总人数的5%，并且这个地区每个候选人得到的选票的比例与该样本中的比例相同。
whAt FrACtion oF thE totAl numBEr oF votEs CAst DiD thE two winnErs rECEivE