In Sister Johnson's class 42 students20 students have blond hair, 15 students have black hair and 7 students have brown

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answerhappygod
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In Sister Johnson's class 42 students20 students have blond hair, 15 students have black hair and 7 students have brown

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In Sister Johnson's class 42 students20 students have blondhair, 15 students have black hair and 7 students have brown hairIfa student is picked at random from sister Johnson's class, what isthe probability that they have black hair?
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