Posted by **Nina PLEASE** on Thursday, January 10, 2013 at 8:22am.

A combination lock has 10 dials. To

open the lock, you must turn the dial right to the first number, left to

the second number. What is the probability that you choose the correct combination?

- Algebra -
**Allyson**, Thursday, January 10, 2013 at 8:27am
1/10

Someone can correct me if I'm wrong, but you have 10 dials, 1/10 chances.

- Algebra -
**Reiny**, Thursday, January 10, 2013 at 8:54am
assuming the same number can be used on the 2nd turn

the number of turns = 10*10 = 100

One of these will be correct

prob of correct choice = 1/100

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