The chance that it will rain tomorrow is 30%. Thus, the odds that it will rain tomorrow are what?
A) 30 to 100
B) 3 to 7
C) 30 to 1
D) 5 to 6
E) None of the above.

Question

The chance that it will rain tomorrow is 30%. Thus, the odds that it will rain tomorrow are what? 
A) 30 to 100
B) 3 to 7
C) 30 to 1
D) 5 to 6
E) None of the above.

Quizplus · Accepted Answer

Odds are calculated as the ratio of the probability of the event happening to the probability of the event not happening. With a 30% chance of rain, there's a 70% chance it won't rain. Thus, the odds are 30:70, which simplifies to 3:7.

The Chance That It Will Rain Tomorrow Is 30