medium · GMAT Quant
Employees at a corporation are trained through three methods: In-person, Online, and Hybrid. 30 percent of employees use In-person, 50 percent use Online, and 20 percent use Hybrid. The probability of passing the certification exam on the first attempt is 0.90 for In-person, 0.70 for Online, and 0.85 for Hybrid.
What is the probability that a randomly selected employee passes on the first attempt?
- 0.79
- 0.82
- 0.70
- 2.45
- 0.74
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