Question: Suppose that you have a very simple 4-digit code for a bicycle lock (digits 0 to 5 allowed), where no digit may be used more

Suppose that you have a very simple 4-digit code for a bicycle lock (digits 0 to 5 allowed), where no digit may be used more than once in the code. What is the probabiliy that someone could randomly guess you code correctly in just a single try?

A-0.01667

B-0.00077

C-0.00014

D-0.00278

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