probability of unacceptable failure

No.11117526 ViewReplyOriginalReport
>all three main parachutes did not deploy
>two of three deploy successfully is acceptable
https://www.reuters.com/article/us-space-exploration-boeing/boeing-tests-space-taxi-one-of-three-parachutes-does-not-open-idUSKBN1XE1WE
What is the probability that all three parachutes fail to deploy?