PRC-2 · Chapter 11 · Question 44 of 60
Which of the following scenarios strictly requires the use of 'Combinations' rather than 'Permutations'?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) Selecting a generic 3-person committee from a pool of 10 employees.
Explanation
Combinations are mathematically used when the specific order or sequence of the selection absolutely does not matter (like a generic group of people), whereas permutations are used when order is critical.
More Probability Concepts MCQs
- Q46What is the mathematical range of a probability value (P) for any single, specific event?
- Q47If two events, A and B, are defined as 'mutually exclusive', what is the probability of both events occurring simultaneously P(A ∩ B)?
- Q48The 'Complementary Rule' in probability theory states that the probability of an event NOT occurring [P(A')] is equal to:
- Q49If two events are 'independent', the probability of both occurring P(A ∩ B) is calculated using the Multiplication Rule as:
- Q50In a standard Normal Distribution, exactly what percentage of the data observations fall within ±1 standard deviation of the mean?