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【单选题】
投点试验计算圆周率π,编写成R模拟程序如下MC1<-function(n){ k<-0;x<- runif(n);y<-runif(n) for (i in 1:n){ if (x[i]^2+y[i]^2<1) k<- k+1 } }
A.
2*k/n
B.
3*k/n
C.
4*k/n
D.
8*k/n
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