medium · GMAT Quant
A financial analyst examines 20 stocks. Exactly 8 are 'Tech' and 12 are 'Energy.' During a market shift, 6 Tech stocks and 2 Energy stocks increased in value.
If a stock is selected at random and is known to have increased in value, what is the probability it was an Energy stock?
- dfrac110
- dfrac16
- dfrac14
- dfrac34
- dfrac28
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