Find the probability of this event. Enter the answer as a fraction in simplest form, as a decimal, and as a percent.
You choose a marble at random from a bag containing 12 red, 12 blue, 13 green, 5 yellow, and 18 black
marbles.
The marble is red.
The probability expressed as a fraction is
The probability expressed as a decimal is
The probability expressed as a percent is
%.