On average, 25 percent of the dogs who to abc veterinarian need a rabies booster. if 20 dogs visit abc veterinarian, how many of them will likely need a rabies booster?

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.)