easy · FRM Part 1 Quantitative Analysis

If the probability of success p is very small, what happens to the variance of the Binomial distribution relative to its mean?

  1. The variance becomes approximately equal to the mean.
  2. The variance equals the square root of the mean.
  3. The variance falls to zero once p is small enough.
  4. The variance grows much larger than the mean of the distribution.

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