Question

Suppose we are looking at 12 cars to buy-5 red, 3 blue, 4 black- and we can only buy one at a time. Find pr(black) and find pr (blue or red)

Answer 1

The probability is simply the chance you have of getting each color.
Therefore:
Black= 4/12 or 1/3
Blue or Red= 8/12 or 2/3