A dice is rolled thrice, if getting a four is considered a success, find the variance of the probability distribution of number of successes
Options
A
B
C
D
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ProbabilityMTP June 24 Series IIQuestion 2846 of 276
All Questions Correct Answer
✅ Option c —
All Options:
- A
- B
- C
- D
About This Chapter: Probability
Paper
Paper 3: Quantitative Aptitude
Weightage
5-7 Marks
Key Topics
Probability Operations, Expected Value
A logic-heavy chapter dealing with random experiments, events (mutually exclusive, exhaustive), set theory probability, conditional probability, and Bayes' Theorem. It forms the basis for Theoretical Distributions.
View Official ICAI SyllabusExam Strategy Tip
Always draw a quick Venn Diagram or tree when faced with 'At least one' or 'Only A but not B' wording. It saves you from double-counting.
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