ProPublica - Machine Bias

According to the ProPublica article on machine bias, which of the following are accurate statements about a machine-learning algorithm used to predict recidivism in Florida?

1. Black defendants were more likely to be mislabeled as having a high risk of committing future crimes than were white defendants
2. The algorithm made mistakes in predicting recidivism for black defendants at a much higher rate than for white defendants
3. White defendants were more likely to be mislabeled as having a low risk of committing future crimes than were black defendants
4. Controlling for previous criminal behavior and crime characteristics erases any disparities between the algorithm's predictions for white and black defendants

https://www.propublica.org/article/machine-bias-risk-assessments-in-criminal-sentencing