How many eggs should I expect a week?

[Idaho Chicken Bungalow]

Horizontally(unless you're holding the bird on it's side )....
....here's a diagram, I measure between F-F:
https://www.backyardchickens.com/articles/who-is-laying-and-who-is-not-butt-check.73309/

Thank you for this link. They will get checked at roost time.