It all depends on the situation.
If I'm shooting a couple or a single person...it's usually less exposures and I cull it down to only the best of the best, trying not to duplicate any pose etc.
But when kids are involved, it's usually a lot more photo taken.
And when it's babies...I take a lot and usually deliver/show a lot more. Babies will usually give you many different expressions...and parents will absolutely love the ones that don't really do much for you....so I often give them more, rather than cutting it down to just the ones that I liked best.
I've found that the longer I've been doing this (and also, the less time I have to spend editing)...I end up with fewer 'final' images. It's not that the quality of the photos are less...it's just that I'm less worried about 'what the client will like better' and I just go with my own intuition and choose only the ones that I like best.
An old saying: The difference between a good photographer and a great photographer, is the size of the waste basket. In other words, a great photographer only shows people their very best work...whereas a 'lesser' photographer show people their best work, and other photos that aren't so good.
We tend to judge ourselves by our best images...but we should consider that other people may judge us by the worst image (of ours) that they see. So if you have 10 outstanding photos, but you show them those 10, plus 20 more 'just OK' photos...they won't have as high an opinion of you, as they would if you show them just the 10 best images.