people that hadn't been invited/people not invited

[Vladv1]

There were a lot of people that hadn't been invited/ There were a lot of people not invited.
The examples are mine. Is the second version of the same sentence correct?

 

[5jj]

There were a lot of people that hadn't been invited/ There were a lot of people not invited.
The examples are mine. Is the second version of the same sentence correct?

Yes.

 

[Tarheel]

There were a lot of people that hadn't been invited/ There were a lot of people not invited.
The examples are mine. Is the second version of the same sentence correct?

The first one could work in a sentence like the following one

There were a lot of people there who hadn't been invited.

 

[emsr2d2]

1. There were a lot of people that hadn't been invited.
2. There were a lot of people not invited.

Whenever you give us more than one sentence to look at, present them as a numbered list.

The examples are mine. Is the second version of the same sentence correct?

It's not a "version of the same sentence". It's a different sentence.