n=10000;%%模拟的次数 countend=0;%%符合博主条件的模拟次数 for mu=53:73 for sigma=1:12 count=0;%%中间临时比较值 for i=1:n chengji=normrnd(mu,sigma,1,95);chengji2=[74 60.33]; chengji=[chengji,chengji2]; chengji=sort(chengji); if (chengji(94)==74)&(chengji(68)>60.33)%%判断计数规则 count=count+1; end end if countend<count countend=count; muend=mu;sigmaend=sigma; end end end x0=muend+sigmaend*norminv(1-30/97,0,1);%%%%最低pass分数线