medium · GMAT Quant
A quality assurance process checks for 'Software Bug' (B), 'Hardware Failure' (H), and 'User Error' (U). The probability of B is dfrac15. Given B, the probability of H is dfrac12. Given both B and H, the probability of U is dfrac45.
What is the probability that a session involves B and H and U?
- dfrac225
- dfrac110
- dfrac150
- dfrac425
- dfrac45
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