Question 959712
Given:
A bag containing red (R) and blue (B) marbles.
A (six-sided) numbered die.
  
Find:
The sample space of drawing a marble and throwing a die.
  
Solution:
Sample space is the set of all possible outcomes.
Drawing a marble, {R,B}
Throwing a die {1,2,3,4,5,6}
Sample space of the two step experiment:
{R1,R2,R3,R4,R5,R6,B1,B2,B3,B4,B5,B6}