Homework Help: math

Posted by alexia on Wednesday, June 20, 2012 at 1:31pm.

My locker combination has three digits. None of the digits are zero. What is the probability that the first digit of my locker combination is less than 4?

math - Reiny, Wednesday, June 20, 2012 at 1:34pm
There are 3 possible digits less than 4
so prob = 3/9 = 1/3

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