probability

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;
//seed for psuedo-random numbers
//function prototype
void getHits(int arr[], int n);
float getProbability(int num, int count);
//global variable (*evil*) probability array
float probability[6];
int main(int argc, char* argv[]){

//declare hits array
int hits[6] = {0,0,0,0,0,0};
//number of decimal places
setprecision(4);
//initialize number of trials
int n;
cout << "input number of trials"<< endl;
cin >> n;
//call to getHits()
getHits(hits, n);
//output probability
for(int i = 0; i <6; i++){
cout << probability[i] << endl;
}
system("PAUSE");
return 0;
}
/*getHits() takes an array arr[] and increments a cell by 1 when its corresponding statement evaluates to true and goes through the loop n times*/
void getHits(int arr[], int n){
    //cout << n;
float randomNumber = 0.0;
srand(time(NULL));
for(int i = 0; i < n; i++){
randomNumber = static_cast<float> (rand())% 2.0f;
//cout << "random number" << randomNumber << endl;

if(randomNumber > 0 && randomNumber < 1.0f/6.0f) {
    arr[0]++;
    //cout << "arrr 0" << arr[0];
}
if(randomNumber > 1.0f/6.0f && randomNumber < 2.0f/6.0f) arr[1]++;
if(randomNumber > 2.0f/6.0f && randomNumber < 3.0f/6.0f) arr[2]++;
if(randomNumber > 3.0f/6.0f && randomNumber < 4.0f/6.0f) arr[3]++;
if(randomNumber > 4.0f/6.0f && randomNumber < 5.0f/6.0f) arr[4]++;
if(randomNumber > 5.0f/6.0f){
    arr[5]++;
    //cout << "arr" << arr[5] << endl;
}
}
for(int i = 0; i < 6; i++){
probability[i] = getProbability(arr[i], n);
}
}

/*calculates probability by dividing num with count and returns the result*/
float getProbability(int num, int count){
   // cout << "getprob" << num;
return float(static_cast<float>(num)/count);
}