Date parameters are in unix epoch time and
1447113600 is 2015-11-10, 00:00:00.
So any questions posted on Nov 10th actually happened after that.
When searching for date ranges, you usually want to increment the end-date (
max in this case) by one full day.
For example, if you want items from 12-12-2012 to 12-13-2012, you would use
max=1355443200 (The equivalent of 12 AM on 12-14-2012).
When you take this into account, then:
Returns the 3 questions you expect.
See this answer for more details.
PS: For your apparent task, you probably want
sort=creation rather that