Randomization

Randomization is introduction of values in arbitrary order. Why randomization is needed?

Please imagine a program that deals with a set of numbers. For example it tries to find a median value. Median value is number that is a middle of a sorted sequence of numbers. If first answer is 42, then randomization may change it.

Randomness has a practical implementation in our daily life.

For example patients may in random order receive placebo or a new treatment in order to find out effectiveness of that treatment.

Computer games will be boring without elements of randomness.

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