<單選題>
箱子內有53顆白球及2顆紅球,每次抽後放回,前52次抽中白球51次、紅球1次,第53次抽中紅球的機率為何?
(A)\(\frac{1}{2}\)
(B)\(\frac{1}{3}\)
(C)\(\frac{2}{53}\)
(D)\(\frac{2}{55}\)
答案
箱子內有53顆白球及2顆紅球,每次抽後放回,前52次抽中白球51次、紅球1次,第53次抽中紅球的機率為何?
(A)\(\frac{1}{2}\)
(B)\(\frac{1}{3}\)
(C)\(\frac{2}{53}\)
(D)\(\frac{2}{55}\)