"lower chances" is correct and usable in written English.
You can use it to refer to a reduced probability of something occurring. For example: "The bad weather forecast decreases their chances of having a picnic outside this weekend."
Other prediction markets and bookmakers give Mr. Romney slightly lower chances, in the range of 30 or 35 percent.
Regional variations narrowed but remained significant, with men and women in the North-east and North-west facing lower chances of survival.
So put together the low chances of a Tory majority, and the lower chances of Lib Dems forming another coalition with the Tories, and you can see why Steve may be right.
3.8, which also suggests lower chances of wall slip.
We find that school leavers of immigrant origin have lower chances of entering dual training.
The finding, reported online 26 August in Nature Neuroscience, could lead to new drugs with lower chances of side effects.
We find, however, that graduates from narrow education programmes have lower chances of finding a job in the programme's domain and consequently at the programme's level.
Reißig et al. (2008) also show that female lower secondary school leavers have lower chances of achieving the transition to company-based training.
Although not as marked as in the previous cases, Ueda's method has lower chances of not finding outliers as sample sizes increase in the Gamma distribution.
Only one factor, having a fixed term contract, was found significantly associated with lower chances to indicate conflict with work schedule as a barrier.
The household's vulnerability, as with many other children's characteristics, is associated with larger chances of working and lower chances of studying for children that are at school age.
