PRC-2 · Chapter 11 · Question 40 of 60
A box contains 3 red marbles, 5 blue marbles, and 2 green marbles. If one marble is drawn at random, what is the precise probability that it is NOT blue?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 0.50
Explanation
There are 10 marbles total. There are 5 blue marbles, meaning there are 5 marbles that are NOT blue (3 red + 2 green). The probability is 5/10, which reduces to 0.50.
More Probability Concepts MCQs
- Q42When calculating a conditional probability denoted as P(A | B), what is the formula generally utilized?
- Q43Two standard, fair 6-sided dice are rolled simultaneously. What is the mathematical probability that the sum of the two upward faces is…
- Q44Which of the following scenarios strictly requires the use of 'Combinations' rather than 'Permutations'?
- Q45What is the mathematical sum of the probabilities of all mutually exclusive and exhaustive events in a given sample space?
- Q46What is the mathematical range of a probability value (P) for any single, specific event?
