What is the 3rd term in this recursive rule sequence: f(1) = 30 and f(n) = f(n-1) - 12

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)