normal distribution formula

回答: 正态分布的概率密度函数公式为P(x) = (1/√(2πσ^2)) * e^(-(x-μ)^2/(2σ^2))，其中μ代表均值，σ代表标准差，x代表正态随机变量。\[2\]这个公式描述了正态分布的形状和概率密度。当样本容量足够大时，从一个总体中随机抽取的样本均值的抽样分布可以近似为正态分布。\[1\]这意味着当总体不服从正态分布时，样本均值的抽样分布仍然可以近似为正态分布。\[3\]
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