The part of the sentence "you will probably agree" is correct and can be used in written English.
You can use this phrase when you want to suggest that your listener or reader is likely to agree with you. For example: "The new tax law is unfair, and you will probably agree."
Read the article on page 130 by Elizabeth MacDonald and you will probably agree that this company plays its cards too close to the vest.
However, if you remember the theory behind choosing which is best, you will probably agree that the targeted approach is best: We used a personal selling strategy when each sale was very important, customized, and to a very small, easily targeted audience.
See for yourself here and you will probably agree.
It may strike some people as unusual to think of social networking in terms of intimacy, but if you give it some thought you will probably agree that the people in your life whom you feel most intimate and bonded with are likely people who share your values, priorities and goals.
If you've gotten this far, you'll probably agree that there is only one rational response to that: Godspeed.
If you're a fan of glitchy, experimental EDM, however, you'll probably agree Joe is always worth waiting for.
"You'll probably agree, then, that this government's open door immigration policy is wrong?" asked Collins hopefully.
Unless your answer is 'once', you'll probably agree that visual entertainment doesn't always need suspense.
Bumper stickers around town proclaim "Becky's Diner, Nothing Finah," and once you try the omelets and home fries you'll probably agree.
If you've heard "Belladonna" (Anti), Mr. Lanois's new record, you'll probably agree that the tour seems like the right mixture of elements: both Tortoise and Mr. Lanois are partial to spacey, stretchy, texture-obsessed music.
If you're like most people, you'll probably agree.
