From your details I understand that Sum of B (fail, pass, wait) equal A (sent).
if my assumption is correct then a little rearrangement of your tabulate may be more appropriate:
Marius
It's your turn to help shape SAS Innovate 2027. Share your expertise and inspire the SAS community.
Learn the difference between classical and Bayesian statistical approaches and see a few PROC examples to perform Bayesian analysis in this video.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.