#include <iostream>
using namespace std;

void test3() {

  TH1F isto("isto","il mio primo isto", 100, 0,10);
  for (int i = 1; i< 100000 ; i++) {
    //float rnd = (1.*rand()/RAND_MAX)*10.;
    //float rnd = gRandom->Rndm()*10.;
    float rnd = gRandom->Gaus(5,0.7);
    //float rnd = gRandom->Poisson(3.);
    isto.Fill(rnd);
  }

  isto.DrawCopy();

}