No. Pediarix is intended to be used only for doses 1, 2, or 3 of the DTaP primary series; consequently using Pediarix for DTaP #4 is off-label and not recommended. You should take measures to prevent this error in the future.
NOTE: The squad leader commands the squad to the appropriate interval prior to giving the command for alignment. 19. To align the squad at normal interval, the commands are Dress Right, DRESS and Ready, FRONT. These commands are given only when armed soldiers are at order arms, or sling arms. On the command of execution DRESS of Dress Right, DRESS, the right flank man stands fast.
and you're done. To use your random numbers, make one command block for every single outcome and include [score_RNG=X,score_RNG_min=X] with your target selector arguments, where X is the score to use, running from 0 to 8(!). Trigger all of these at the same time. For example.