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In 200 words or more,Why should a "Combination Lock" actually be called a "Permutation Lock"? Provide...

In 200 words or more,Why should a "Combination Lock" actually be called a "Permutation Lock"? Provide some examples of Combinations and Permutations that you use to remember which is which.

Math   Statistics-And-Probability   
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Answer #1

Permutation : all possible ways in which a set or number of things can be ordered or arranged.

combination : is just ways of choosing things from a group of things without the order having any significance

Permutations are for lists (here order matters) while combinations are for groups (here order doesn’t matter). We can also say : A permutation is an ordered combination.

A “combination” lock should really be called a “permutation” lock because the order that you put the numbers in matters. A true “combination” lock would open using either 11-57-20 or 20-57-11. Actually, any combination of 11, 57 and 20 would open a true “combination” lock.

Therefore the lock should be called a permutation lock

P.S. (please upvote if you find the answer satisfactory)

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