Freshers (0–2 years)

Probability Interview Questions for Freshers

Preparing for your first Probability interviews? This set is curated for freshers and early-career developers (0–2 years): the 45 questions that come up most for entry-level roles, each with a clear answer, example code and follow-ups.

45Questions18Beginner27Intermediate

45 Probability questions

  1. 1What is the intuition behind law of total expectation?Intermediate
  2. 2What is independence in probability distributions?Intermediate
  3. 3What is the difference between discrete and continuous random variables in modeling?Intermediate
  4. 4What is conditional expectation?Intermediate
  5. 5What is the intuition behind joint and marginal distributions?Intermediate
  6. 6What is the intuition behind probability density function (PDF)?Intermediate
  7. 7What is covariance and how is it different from correlation?Intermediate
  8. 8What is the difference between variance and standard deviation?Beginner
  9. 9What is the difference between expectation and variance intuitively?Intermediate
  10. 10What is KL divergence?Intermediate
  11. 11What is entropy in probability theory?Intermediate
  12. 12What is Bayes inference in machine learning?Intermediate
  13. 13What is a Markov chain?Intermediate
  14. 14What is the law of total probability?Intermediate
  15. 15What is the difference between probability mass function (PMF) and probability density function (PDF)?Intermediate
  16. 16What is marginal probability?Beginner
  17. 17What is joint probability?Beginner
  18. 18What is the exponential distribution?Intermediate
  19. 19What is the geometric distribution and where is it used?Intermediate
  20. 20What is uniform distribution?Intermediate
  21. 21What is Poisson distribution and when is it used?Intermediate
  22. 22What is a binomial distribution?Intermediate
  23. 23What is a Bernoulli distribution?Intermediate
  24. 24What is correlation in probability?Beginner
  25. 25What is covariance and what does it measure?Beginner
  26. 26What is independence in random variables?Beginner
  27. 27What is a cumulative distribution function (CDF)?Beginner
  28. 28What is probability distribution and why is it important?Beginner
  29. 29What is a random variable in probability theory?Beginner
  30. 30What is the central limit theorem?Intermediate
  31. 31What is the law of large numbers?Intermediate
  32. 32What is variance and standard deviation?Intermediate
  33. 33What is expectation in probability theory?Intermediate
  34. 34What is the difference between discrete and continuous probability?Beginner
  35. 35What is Bayes’ theorem and why is it important?Beginner
  36. 36What is conditional probability?Beginner
  37. 37What is the difference between independent and dependent events?Beginner
  38. 38What is probability and how is it formally defined?Beginner
  39. 39Probability Interview Question 2 (Free)Intermediate
  40. 40Probability Interview Question 1 (Free)Beginner
  41. 41Probability Interview Question 5 (Free)Intermediate
  42. 42Probability Interview Question 4 (Free)Beginner
  43. 43Probability Advanced Interview Question 10Beginner
  44. 44Probability Advanced Interview Question 8Intermediate
  45. 45Probability Advanced Interview Question 7Beginner

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Frequently asked questions

Which Probability questions do freshers (0–2 years) get asked?

This page collects 45 Probability interview questions aligned with freshers (0–2 years), ranging across the difficulty levels that match that experience band.

How do I prepare for a Probability interview with my experience level?

Work through these questions in order, make sure you can explain each answer out loud, and pay attention to the real-world examples and follow-ups — interviewers at this level care as much about reasoning as the final answer.

Do the answers include code and examples?

Yes — answers include explanations, code examples where relevant, common mistakes to avoid and follow-up questions so you are ready for the full interview conversation.