phillips259
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A briefcase has a three-digit lock code that does not include zero as a digit. What is the probability that the lock code consists of all even digits if the same digit is not used more than once in the lock code?

Respuesta :

BlueSky06
Considering that it is allowed to repeat the digits in the three-digit code, we have,
                                   10 x 10 x 10 ways 
which is equal to 1000 ways.
For the scenario that only even numbers without repetition can be included, we have,
                                     5 x 3 x 1 ways 
which is equal to 15 ways. 

The probability is therefore 15/1000 or 3/200. 

Answer:

A ) 24 out of 504 on edg

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