I’m assuming she’s looking to get the most bang for her buck, so she’ll probably end up choosing the photographer who says they will provide her with the most pictures, regardless of whether she actually prefers someone else’s photography style.
What I do know is that when I go to a wedding, there’s myself and one other photographer, and between us we have; 4x Camera bodies, 4-6 different lenses, lighting, more batteries than you could ever imagine can fit in a belt pack and about 500 gigabytes worth of memory cards (yes, half a terabyte, which is a lot), and then a few extra just for safe measure.
Couples who have 20+ combinations of family photos, have incredibly large wedding parties and want to visit multiple locations for their formal couples shoots will have more photos than couples who choose to take a handful of group photos and then do a quick 20-minute bride and groom shoot.
Candid moments cannot be artificially created by the photographer – they must occur naturally throughout the day and if the events taking place on your wedding day lead to only a few opportunities for candid shots, there may be fewer candid shots in your final image total, but moments to cherish nevertheless.