does the raspberry pi 2 model b 1GB come with NOOBS installed on the microSD card?
No, the raspberries do not usually come with an SD card. Unless you buy a package deal say "with SD card with noobs installed".
And even if it does have NOOBS, the version is most likely outdated, so I'd recommended flashing the SD card with the latest version anyway.
https://www.raspberrypi.org/downloads/noobs/
