PRC-2 · Chapter 10 · Question 27 of 60
Which mathematical rule states that for any two events A and B, P(A ∪ B) = P(A) + P(B) - P(A ∩ B)?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) The Addition Rule
Explanation
The general Addition Rule for probability is used to find the probability of either event A or B occurring, accounting for the possibility that they could overlap.
More Correlation and Regression MCQs
- Q29If you roll a die once, which of the following pairs of events are collectively exhaustive?
- Q30In a Venn diagram, the overlapping section between two circles representing Event A and Event B denotes:
- Q31Which of the following statements regarding the use of a scatter diagram in statistical analysis is most accurate?
- Q32Which of the following correctly defines the mathematical range within which the Pearson correlation coefficient (r) must always lie?
- Q33If the correlation coefficient (r) between two economic variables is exactly -0.80, what is the resulting coefficient of determination…
