PRC-2 · Chapter 10 · Question 25 of 60
In a bag containing 5 red, 3 green, and 2 blue marbles, what is the probability of randomly picking a marble that is NOT red?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) 1/2
Explanation
Total marbles = 5 + 3 + 2 = 10. Marbles that are not red (green and blue) = 3 + 2 = 5. The probability of picking one is 5/10, which simplifies to 1/2.
More Correlation and Regression MCQs
- Q27Which mathematical rule states that for any two events A and B, P(A ∪ B) = P(A) + P(B) - P(A ∩ B)?
- Q28What is the probability of rolling a total sum of 7 with two fair six-sided dice?
- 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?
