PA $16-6($Algo$)$ Max Stamp approves study abroad documents...

Max Stamp approves study abroad documents for the university. Students must walt in line with thelr forms outside Max's office. One student at a time is allowed in his office and Max takes precisely $15$ minutes to evaluate each student's set of documents. On average, $2$ students per hour go to his office and they spend, on average, $150$ minutes trying to get thelr forms approved $($time walting in queue plus time in Max's office having him evaluate their documents$).$

On average, how many students are walting outside of Max's office?

Note: Round your answer to $1$ decimal place.

Number of students