Star, you know that you don't have to accept any intervention, or can choose to only accept some intervention, etc.
I do think that percentage terms for these kind of events are slightly unhelpful, because it can make something sound incredibly unlikely, when sadly, it is more common than we'd like to think.
I came from the opposite angle. I had induction at 39+6 with DD1 (small for dates on scan...you know the rest!) induction at 35+3 with DD2 (stopped growing for no reason, little madam) and induction at 38+5 with DD3 (low fluid and general slowing of growth).
With DD1 they said they didn't want me to go over. DD2/3 was much more 'meh...we could induce or we could wait and see'.
I'm afraid my mistrust of medical professionals (great, coming from a nurse) meant that I was of the mind of 'just get this baby out of me. Once I can see his/her chest rising and falling, I will know she/he's ok. Until then, you don't know why she's stopped growing/low fluid, etc., and you can't tell me she's going to be ok.
They agreed that they couldn't tell me anything, didn't know why I was presenting as I was, so agreed that inducing was very reasonable!
At the end of the day, they can only tell you what the most up to date research tells them. It's your baby, your life, your pregnancy. Your decision. If you feel, on balance, that your baby is better in than out, then you have the right to resist induction.