Java dobbelsteen stats

import java.util.Scanner;
import java.util.Random;

class Main {
  public static void main(String[] args) {
    Scanner scanInput = new Scanner(System.in);
    Random rng = new Random();

    System.out.println("Hoevaak moet er gerold worden?");
    int numberOfDice = scanInput.nextInt();
    int[] dices = {0,0,0,0,0,0};
    int total = 0;
    for (int i=0; i<numberOfDice;i++) {
      int roll = rng.nextInt(6) + 1;
      total += roll;
      dices[roll - 1]++;
    }
    System.out.println("Een: " + dices[0]);
    System.out.println("Twee: " + dices[1]);
    System.out.println("Drie: " + dices[2]);
    System.out.println("Vier: " + dices[3]);
    System.out.println("Vijf: " + dices[4]);
    System.out.println("Zes: " + dices[5]);
    float average = (float)total / (float)numberOfDice;
    System.out.println("Gemiddelde: " + average);
  }
}