Homework Help: math

Posted by jackie on Wednesday, June 20, 2012 at 10:15am.

A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is 3, what is the probability that the next digit is odd?

math - MathMate, Wednesday, June 20, 2012 at 2:04pm
Assuming the first and second digits are independent, and assuming that there are 10 possible numbers for each digit (0-9), then the probability that the next digit is odd is 5/10=1/2

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