The chance of this thread staying alive is 87.61 percent.
No, I calculated it longer and it stays alive for
99.99999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
99999999999999999999999999999
999%.