Which of the following risks, which could severely impact on a business, is least likely to occur, in your judgment?
Supplier liquidations are to be expected; workers' strikes likewise.
Cargo ships do sink, and your course creator has had cargo in at least two ships which have sunk on the high seas, one of them in The English Channel.
A global pandemic (Covid-19) was highly unlikely (2019), but arrived with devastating conse-quences for commerce and people. Low likelihood, huge impact.
Just because it seems unlikely doesn't mean it's not going to happen.
If you're seriously interested on the effect of apparently chance happenings in our lives, read Nassim Nicholas Taleb - you'll either love him or hate him.