PROBABILITY OF REVERSE SPEECH
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Reversed speech happens, and in-fact it is a common phenomena.
This web page will show you the mathematics associated with reversed speech.
Some people including doctors have outdated beliefs concerning reversed speech.
eg. All rich bands are bizarre are they? (1960's) 50 years of hearing examples.!!
There are 300,000 uniquely different words in the English Language.
This is a combination / permutation of 300,000 Factorial (n!).
1 x 2 x 3 x 4 x 5 x 6 x.......x 300,000. ie. An infinite number.
This translates into a 100% probability of reverse speech.!!
Infinite Number = 100% Probability The Law of Large Numbers states:
Large Number = High Probability As the number increases towards
Small Number = Low Probability infinity, the probability of an event
Zero (Nihilist) = Zero Probability also approaches 100%.
The Law of Large Numbers is like this:
The more you study, the higher the mark you get in the exam.
The more you walk in bare-feet, the more likely you are to step on a thorn someday.
The more flavours of ice-cream you try, the more likely you are to find one you don't like.
The more lollies you eat, the higher probability of tooth decay (cavities).
These people simply offer a "classically conditioned response".
All high-quality sound-manipulation software has a reverse-feature button.
It's a very common sound-effect. And lots of popular bands use it.
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Probability of a single word being reversed - Slightly more technical.
nPr = 2P2 = 2! = 2 ... P(a) = 1/2 = 50.0%
nPr = 4P4 = 4! = 24 ... P(a) = 1/24 = 4.16%
nPr = 5P5 = 5! = 120 ... P(a) = 1/120 = 0.83%
nPr = 6P6 = 6! = 720 ... P(a) = 1/720 = 0.14%
nPr = 7P7 = 7! = 5040 ... P(a) = 1/5040 = 0.02%
Probability of a reversed word, with 'n' syllables per word.
nPr = 2P2 = 2! = 2 ... P(a) = 1/2 = 50.0%
nPr = 3P3 = 3! = 6 ... P(a) = 1/6 = 16.7%
nPr = 4P4 = 4! = 24 ... P(a) = 1/24 = 4.16%
nPr = 5P5 = 5! = 120 ... P(a) = 1/120 = 0.83%
nPr = 6P6 = 6! = 720 ... P(a) = 1/720 = 0.14%
nPr = 7P7 = 7! = 5040 ... P(a) = 1/5040 = 0.02%
nPr means Number of permutations.
The logic involved in this, is that the syllables can be arranged
in any order, and this includes their reversed order.
An incompetent psychiatrist would say:-
"I don't care about, what he thinks he can hear",
even though there is a 100% probability of hearing something.
This psychiatrist would be unsympathetic to the truth.
Reversed speech can give some people an anxiety disorder.
Some people might even have a phobia of reversed speech.
Some people can have an emotional prejudice against it.
Statistical certainty of existence is not an acceptable
reason to diagnose 'Paranoid Delusions'.
One percent of these people have schizophrenia,
three percent of them have Bipolar Disorder, etc.
80% are normal people. ie. A Normal Distribution.
http://www.cs.uml.edu/~ytran/factorial.html <-------- Factorial Calculator.
http://www.luschny.de/math/factorial/fffcalc.html <------ Very close approximation.
FURTHER READING
Google - About 113,000,000 results for "Reversed Speech".
Copy and Paste the above Link into your address bar.
My other websites
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Psychiatrist Statistics - Doctor's Incompetence.
Statistical proof smoking does not cause schizophrenia.
How to Rule-out schizophrenia. (Lots of different ways).
