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, 4 blue, 5 green, 7 yellow, and 32 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:___