Read and solve the problem; choose the best answer(s) from the choices provided. A study has been done to determine whether or not a certain drug leads to an improvement insymptoms for patients with a particular medical condition. The results are shown in the following table: Improvement No Improvement Drug 270 530 No Drug 120 280 Based on this table, what is the probability that a patient shows improvement if it is known that the patient was given the drug? Your answer: O 325 O 225 .3375 .6625 o o o o

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