Normal Distribution Fourth Moment - Quant Trader Interview Question
Difficulty: Medium
Category: Probability & Statistics
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Topics: probability, normal-distribution, expected-value, moment-problem
Problem Description
Let $X$ be a random variable following a normal distribution with mean 0 and variance $ \sigma^2 $, denoted as $X \sim N(0, \sigma^2)$.
Determine the expected value of $X^4$, i.e., find $EX^4$.
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