easy · GMAT Quant
A data engineer uses a five-region dial, where each region has an identical area, to set a sampling rate. The regions are labeled with the integers 10, 10, 20, 30, and 50.
What is the probability that the sampling rate selected is less than or equal to 20?
- dfrac13
- dfrac25
- 0.50
- dfrac35
- 0.80
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