Physics · Mathematical Physics
A random variable Y obeys a normal distribution P(Y) = 1σ√2π exp[-(Y-μ)22σ2]. The mean value of eY is:
- 1eμ - σ2/2
- 2eμ + σ2
- 3eμ - σ2
- 4eμ + σ2/2✓
Correct answer
eμ + σ2/2
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