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Mathematics, 21.06.2020 03:57 kittykat7315
A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicate that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. Records also indicate that three times as many king-size mattresses are sold as twin-size mattresses. Calculate the probability that the next mattress sold is either king or queen-size.
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A mattress store sells only king, queen and twin-size mattresses. Sales records at the store indicat...
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