easy · Quantitative Finance quant-logic

A strategy generates 100 independent trading signals. Each signal i has a probability p_i of being profitable.

Which expression correctly defines the expected total number of profitable signals?

  1. prod_i=1^100 p_i
  2. √(sum p_i(1-p_i))
  3. sum_i=1^100 p_i
  4. 100 × min(p_i)

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