Question 1075053
3 colors and 4 numbers.


sample space contains 3 * 4 = 12 elements.


probability to get a color is 1/3.
probbility to get a number is 1/4.
combine probability to get a color and a number is 1/3 * 1/4 = 1/12
sum of the probabilities is equal to 1.


here's a reference:


<a href = "http://web.mnstate.edu/peil/MDEV102/U3/S25/S254.html" target = "_blank">http://web.mnstate.edu/peil/MDEV102/U3/S25/S254.html</a>