How to use "probable" in a sentence

Sentences

It is probable that Mrs Prater and Mrs Lewis paid no attention to Mary Kelly's last terrified cry for help!

What is the most probable picture of the murderer? He was a short man, not more than 1.68m, between 28-35 years old, with a light brown moustache

A more probable suspect is George Hutchinson (mentioned earlier)

"To me, it sounds plausible if not probable