Problem-Solving and Data AnalysisEasy–MediumProbability of not picking green
Problem-Solving and Data Analysis practice question
A jar holds 5 green sweets and 15 yellow sweets. One sweet is taken at random. What is the probability that it is not green?
Answer: 3/4 or 0.75
15 of the 20 sweets are not green: 15/20 = 3/4.
Common wrong answers
- If you answered 15
- 15 is a count, not a probability.
- If you answered 1/4
- 1/4 is the probability of green.
- If you answered 1/3
- 1/3 is 5/15, comparing green with yellow instead of with the total.
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