At a candy factory, one barrel of highly experimental fluorescent pink M&M's has accidentally been emptied into the packing machine. If there were four barrels of other colors also in the machine, what is the probability that a package of five M&M's from the resulting batch contains four pink ones? (Hint: assume that the machine mixes up all of the different colors of candy evenly so that the candies going into the package are chosen as if each is sampled with replacement)

0.0512

0.0256

0.0064

0.0001