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.
This isn't really necessary on the TI-83+ because the binompdf( and binomcdf( commands are already very fast - however, the normal distribution can be slightly faster, and the skill can come in handy if you don't have access to a calculator but do have a table of normal distributions (yeah, right).