More than three-quarters — 78% — of U.S. households now have a subscription video-on-demand (SVOD) service from Netflix, Amazon Prime Video or Hulu, according to consumer research from Leichtman Research Group conducted in June and July.
That’s up from up from 69% in 2018, and 52% in 2015, reports Leichtman, …
Karlene, the statistical "margin of error" has little to do with the accuracy of this or any study. All it tells you is the chance of getting the same right---or wrong---answers if you redid the same sudy in the identical manner.
... or put another way, it is a measure of replicability but not precision.