The Oncotype test is a tumor profiling test that predicts th…

The Oncotype test is a tumor profiling test that predicts the benefit of chemotherapy treatment (CT) in patients with early-stage, hormone receptor-positive, invasive breast cancer. The test performs a quantitative analysis of the expression data of certain genes in the tumor. After processing the noisy data, the output is the continuous random variable   that takes values within the interval (0, 50). A score   is computed by mapping  X as follows: