Question: let cp represent the event that the ankle was truly...
Let CP represent the event that the ankle was truly fractured, and let T+ represent the event that the test said it was. From the table, estimate P(CP|T+) (the positive predictive value and P(CA|T-) (the negative predictive value).
Predicted by the Ottawa Ankle Test Truth Regarding Fracture
Not Fractured | Fractured | Totals
Not Fractured | 51 | 5 | 56
Fractured | 277 | 88 | 365
Totals | 328 | 93 | 421