Tisdale's customers have high safety standards, and managers at Tisdale believe they can gain a competitive advantage by reducing the number of defective parts they produce. Sue works with an external data science consulting company to develop a prediction model that identifies defective

brake pads $($y $=1)$ before they are shipped to Tisdale's clients. After building

the model on a training dataset, Sue tests its accuracy on the validation set below.

$2$

Observation