Answer
1/2
Work Step by Step
The probability is given by the number of favorable outcomes divided by the total number of possible outcomes. Thus, to answer this problem, first find the probability of a given event occurring. Divide that by the possible number of outcomes to get probability. The total number of possible outcomes is 6.
There are 3 blue spots, so the odds of landing on a blue spot are 3/6, or 1/2.