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英语翻译没看懂神马意思.Threecardsaredrawnfromanordinarydeckof52cards.Eachcardisreplacedinthedeckbeforethenextcardisdrawn.Whatistheprobabilitythatatleastoneofthecardswillbeaspade?

题目详情
英语翻译
没看懂神马意思.
Three cards are drawn from an ordinary deck of 52 cards.Each card is replaced in the deck before the next card is drawn.What is the probability that at least one of the cards will be a spade?
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答案和解析
52张牌的扑克中取3张牌.在下一张牌取出来前要放回每一张牌.问至少一张是黑桃的概率?