PLEASE HELP ASAP!!

The probability that Aiko can drive to work without having to stop at a red light is 0.125. The odds against Aiko driving to work without seeing a red light are _[blank]_.

What odds best complete the sentence?

Enter your answer as “m:n" where m and n are the smallest integers possible, like this: 3:2

2 answers

you guys are just looking at the question but not helping? please help!!!
P(~stop) = 1/8
so the odds are 7:1 against not having to stop.

Now, I have no idea what the odds are against seeing a red light are ...