An urn contains n balls whose colors, red or blue, are equally probable. 4 For example, the probability that all of the balls are red is (1/2) n . 5 If in drawing k balls from the urn, successively...

An urn contains n balls whose colors, red or blue, are equally probable. 4 For example, the probability that all of the balls are red is (1/2)ⁿ. 5 If in drawing k balls from the urn, successively with replacement and randomly, no red balls appear, what is the probability that the urn contains no red balls? Hint: Use Bayes’ theorem.