A cancer test is 97% accurate in cancer patients. But in a person who ☆ does not have cancer, it gives 93% correct results. Since the proportion of cancer patients in the community is known to be 1/3000 (one in three thousand), calculate the probability that a person will be left without treatment or be treated unnecessarily because of this test result. Help: Choose your symbols accordingly. Wrong results mean good to the patient, providing means patient.

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