There is an equal chance to get either of the rewards.

3,000 satoshis 
4,000 satoshis 
5,000 satoshis 
5,500 satoshis 
6,000 satoshis 
6,500 satoshis 
7,000 satoshis 
7,500 satoshis 
http://coinbooster.net/litecoins/index.php?id=6592