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?

A.4/9
B.1/5
C.1/2
D.5/9

6 answers

The three is used up as the first digit, so there are the numbers 1,5,7 and 9 left to be the next digit. There are 4 such outcomes that can be the second digit. The total number of digits that can be used for each slot is 8. So 4 out of 8 digits : )
This really didn't help me out that much....
but thanks for trying
probability is just figuring what fraction of all possible choices gives you success. Ms Pi said

So 4 out of 8 digits

that means your probability is 4/8 = 1/2

I hope this is getting clearer now ...
can i just get the answer
kare she just gave you the answer by saying that 4/8 i= 1/2 and 1/2 is one of the answers.
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