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Portia rates all her first dates as either “duds” or “dudes.” Her date on Wednesday night was a dud. On the next night, she went on a date with someone else who was also a dud. If the probability of her getting two duds in a row was $$\frac{4}{25}$$, what is the probability that her next date will be a dude ?
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以上解析由 考满分老师提供。
