A box contains 5 red balls, 7 blue balls, and 8 green balls. If one ball is drawn at random, what is the probability it is not blue?

Sat, 02 May 2026 18:15:22 +0000

[🟠 Curiosity meets data in everyday puzzles—this one sparking quiet interest online: A box contains 5 red balls, 7 blue balls, and 8 green balls. If one ball is drawn at random, what is the probability it is not blue? Behind the simplicity of this question lies a gateway to understanding probability, statistics, and how logic guides everyday decisions. With rising public interest in data literacy and transparent reasoning, this topic reflects a growing desire to grasp randomness through clear, real-world examples—especially among curious, informed US readers navigating digital content on mobile devices.] Why this simple setup is gaining attention
In a landscape where people seek clarity on patterns in randomness, a concise scenario like a ball box resonates deeply. From statistics learners to gamers and educators, users explore probability to improve decision-making and gamble intuition alike. However, its growing visibility on platforms like mobile Discover reflects a broader trend: individuals craving reliable, jargon-free explanations of chance calculations. The deliberate choice to exclude emotional triggers and focus on factual precision positions this topic as trusted and accessible—key for commanding SERP #1 hold. How it actually works: Probability explained simply
The chance of an event is calculated by dividing favorable outcomes by total possible outcomes. Here, the box holds 5 red, 7 blue, and 8 green balls—totaling 20 balls. To find the probability of drawing a ball that is not blue, count all non-blue balls: 5 red + 8 green = 13. Divide by the total 20. So, the probability is 13 out of 20—or exactly 0.65 (65%). This formula applies universally, making the example both concrete and scalable across real-life scenarios. Common questions people ask
- What does “not blue” mean in probability terms?
It means excluding outcomes tied to one category—in this case, blue.