According to our completely-not-made-up research, the probability of encountering a Quantum Flapdoodle is directly proportional to the number of times you've eaten a tuna sandwich while watching cat videos on the internet.
Our team of expert quantum physicists (okay, it's just Larry in the corner with a calculator prophets' hat) has calculated that the odds of encountering a Quantum Flapdoodle are 1 in 4.32 billion, give or take a few billion.
Learn more about Quantum Flapdoodle statistics