Preporato
CoursesCertificationsLabs
Preporato
CoursesCertificationsLabs
ML practiceStep 3 of 12

Probability and statistics

Expectations, uncertainty and information, computed from the definitions.

Start 5 problems

Problems

  1. 1How sure is an eval scoreEasy · 8 min · 10 hidden testsSolution free
  2. 2Is a flagged payment really fraudEasy · 8 min · 10 hidden tests
  3. 3Entropy and cross-entropy in natsMedium · 12 min · 11 hidden tests
  4. 4KL divergence for drift monitoringMedium · 12 min · 12 hidden tests
  5. 5Bootstrap interval for a meanMedium · 14 min · 10 hidden tests

Practice it at full scale

Hands-on labs on real tooling, in your browser.

Metrics That Match the Business

Where interviews test it

Cases from our interview prep that lean on this step.

Readiness check for the AI Solutions Architect loop
Linear algebra for MLDerivatives and gradients