Posts Tagged ‘ 1

Happy Binary Day!

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Binary Probability

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In mathematics there is a whole theory of probability. Some examples of probability are like, what is the probability of rolling two 6′s on two 6 sided dice? The answer would be  \frac{1}{36}. You have a  \frac{1}{6} chance to roll a 6 on each dice, so \frac{1}{6} \times \frac{1}{6} = \frac{1}{36} . Now… what if I were to tell you that this is wrong…

The concept I have thought of is binary probability. The name because of the answer being either a yes or a no, a 1 or a 0, etc.

Think about it, everything either happens or it doesn’t. “Hmm, am I going to win the lottery today?” Well, that question could be a yes or a no, meaning you have a 50/50 shot at winning it. Sounds simple right? Well it is…

Now we will go into some definitions and the main theorem of the idea.

Definition:  Binary Question – A logical query that has two possible outcomes.

Some examples are as such: Do I need gas in my car? Can I do a backflip? Can I splice the genes from a chihuahua into a kumquat? Each one of these questions have a simple yes or no answer.

Theorem 1: In every Binary Question, the probability of each event happening is .5.

Proof:
Assume we are not in a quantum space.
Assume you have a Binary Question, a \in A, where A is the set of all Binary Questions.
a can have two outcomes by definition, a_1 and a_2.
Only one of the outcomes in the Binary Question can happen seeing as we are not in a quantum space.
so, \frac{1}{2} = .5 which is 50%.
Q.E.D.

Now, you may ask the question, what about a multiple choice question? Simple. Theorem 1 can be expanded to a n-choice question without even thinking twice.

Definition: n-choice question: A n-choice question is a question that could have n answers to it, where n \ge 2 and n \le \infty.

Example: How many fish are in the fish tank?

Well… Are there 3 fish in the tank? Either yes or no, 50% chance. 4 fish? Yes or no, 50% chance. 5 fish? Yes or no, 50% chance, etc.

By definition, a Binary Question is a special case of a n-choice question, where n = 2.

Now, we’ll expand out Theorem 1 into another theorem, a more generalized version of the theorem to show the true power of Binary Probability.

The Main Theorem of Binary Probability
Each event of a n-choice question has a .5 probability of happening.

Proof:
Assume you have a n-choice question, b \in B where B is the set of all n-choice questions.
\forall b \in B, b has n Binary Questions, c_1, c_2,\ldots , c_n
By Theorem 1, we know that every choice of a Binary Question has a .5 probability of happening.
So, \forall c_1, c_2,\ldots , c_n, c_n has a .5 probability of happening.
Q.E.D