Random 1000 C1;
  Uniform 0.0 1.0.
Code (0:0.3) "Blue" (0.300001:0.6) "Red" (0.600001:1) "Yellow" C1 C2
Code ( "Blue" ) 1 ( "Red" ) 2 ( "Yellow" ) 3 C2 C3
Tally C2;
  Counts;
  Percents.
Histogram C3;
  MidPoint;
  Bar;
  ScFrame;
  ScAnnotation.