Harmonic mean is used to average speeds when: MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Statistics Questions
Question #1
Report Error
In a Poisson distribution, P(X=0) = e^{-λ}. If λ=2, P(X=0) is about:
Correct Answer: Option B
Explanation:
e^{-2} ≈ 0.1353.
e^{-2} ≈ 0.1353.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
Report Error
Bayes' theorem is particularly useful in:
Correct Answer: Option C
Explanation:
Bayes' theorem provides a formal framework for revising prior probabilities based on observed data, crucial in medical testing (e.g., disease probability given positive test) and Bayesian statistics.
Bayes' theorem provides a formal framework for revising prior probabilities based on observed data, crucial in medical testing (e.g., disease probability given positive test) and Bayesian statistics.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
Report Error
The population density of India (Census 2011) is:
Correct Answer: Option D
Explanation:
India's density was 382 per sq km in 2011.
India's density was 382 per sq km in 2011.
This question belongs to:
Accountancy and Statistics
Statistics
No comments yet. Be the first to start the discussion!