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A certain 5-digit combination lock can be reset with a new combination. The lock uses numbers from 1 to 6. After a friend accidentally resets it to an unknown combination, what is the probability that you guess the combination that opens the lock?

A.
100,000

B.
7,776

C.
1100,000
D.
17,776

Respuesta :

Answer:

1 / 7776

Step-by-step explanation:

The probability of guessing 1 number in any of the 5 positions is 1/6 .

So the probability of doing this 5 times = (1/6)^5   = 1 / 7776.


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