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Elijah forgot his pass code for a certain website. He knows it is made up of 3 digits and no digit can be repeated. If he randomly chooses 3 different digits, what is the probability that he chooses his pass code?. Option A: 1/2160. Option B:1/720. Option C: 1/240. Option D: 1/20

Respuesta :

sxelemon
the answer would be 1/720 if you are allowed to start the password with 0 which I believe is allowed since if that wasn't allowed the answer would be 1/648 which isn't an option
oopsydaisy
If Elijah randomly chooses 3 different digits, the probability that he chooses his pass code is going to be 1/720. The correct answer is B.

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