Logical fallacy

Prosecutor's fallacy

Also known as: Conditional probability fallacy · Transposed conditional
Fairly common#55 of 71 by how common ← All logical fallacies

What it is

Confuses the probability of the evidence given innocence with the probability of innocence given the evidence.

Example "The chance of this DNA match by coincidence is one in a million, so there is only a one-in-a-million chance he is innocent."

Related

References

More in “Cause, statistics and evidence”