I used this answer on my old 9.7 IPad Pro, and it worked! I’m not worried about missing alerts, as I have an Apple IPhone and Watch, and the 3 alerts drive me crazy, lol.
I noticed that after I did it that the battery light at the top kept blinking for awhile after I silenced it, but that was temporary. It also said you can set it up by using the sound buttons, which I clicked on, since I occasionally use it for music.
I knew it was dying, and got an MacBook Air. But the operating system is soooo different I haven’t really used it much. I guess it’s time to learn!
Thank you all for answering, I’ll be back.