medium · GMAT Quant
A financial analyst is evaluating a portfolio of n distinct stocks.
If the probability that at least one stock in the portfolio will outperform the market index is dfrac1927 and the probability of outperformance is identical and independent for each stock, what is the value of n given that the probability of a single stock outperforming is dfrac13?
- 3
- 2
- 4
- 19
- 8
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