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在福塔莱萨某一天下雨的概率:40%。若要下雨,有85%的可能会有浓密乌云。若不下雨,有30%的可能。有浓密乌云。下雨的概率是多少?
在福塔莱萨某一天下雨的概率:40%。若要下雨,有85%的可能会有浓密乌云。若不下雨,有30%的可能。有浓密乌云。下雨的概率是多少?
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