Question 332426
You have a computer password that consists of 3 digits and 2 lowercase letters.  How many passwords are there if no digit or letter can be repeated?
= 10*9*8*26*25 = 468,000
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What is the probability that you will enter the correct password?
If your entry is limited to the format, it's 1 in 468000.
If it's not, there's not sufficient data to answer.