Two independent events A and B have probabilities 0.4 and 0.5. The probability that exactly one of them occurs is: MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Statistics Questions
Question #1
Report Error
The weighted arithmetic mean is calculated as:
Correct Answer: Option C
Explanation:
Weighted mean = sum of (value × weight) divided by sum of weights, allowing differential importance of observations, e.g., in index numbers or survey sampling.
Weighted mean = sum of (value × weight) divided by sum of weights, allowing differential importance of observations, e.g., in index numbers or survey sampling.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
Report Error
Wholesale Price Index (WPI) in India primarily measures price changes for goods at which stage?
Correct Answer: Option C
Explanation:
WPI tracks price movements of goods traded in bulk at the wholesale level (first point of mass sale), reflecting producer and wholesale market inflation, distinct from consumer-focused CPI.
WPI tracks price movements of goods traded in bulk at the wholesale level (first point of mass sale), reflecting producer and wholesale market inflation, distinct from consumer-focused CPI.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
Report Error
The mode of a dataset is the value that:
Correct Answer: Option D
Explanation:
Mode is the most common observation.
Mode is the most common observation.
This question belongs to:
Accountancy and Statistics
Statistics
No comments yet. Be the first to start the discussion!