The Krasnapolski is a top-of-the-line hotel in Amsterdam, the Netherlands. Among their many services, they rent bicycles to guests who arrive randomly throughout the day. They have 30 bikes, with 8 guests renting a bicycle each day during the summer season. Guests keep bicycles for three days on average, with a standard deviation of three days. on average, how many guests are waiting bicycle

1. 24.86

2. 0,86

3. 0.43

4. 3.11