This is the 3rd time that Scotland is playing an ICC world cup 2015. Before that, they qualified for 1999 and 2007 world cups. They could not progress beyond group stage in those world cups. They are in pool A in this world cup and Scotland team squad for ICC ODI world cup 2015 is mentioned here:
Here is the List of the 2015 ICC World Cup Scotland Squad:
Preston Mommsen (captain), Kyle Coetzer vice-captain, Richie Berrington, Freddie Coleman, Matthew Cross (wicketkeeper), Josh Davey, Alasdair Evans, Hamish Gardiner, Majid Haq, Michael Leask, Matt Machan, Calum MacLeod, Safyaan Sharif, Rob Taylor, Iain Wardlaw