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suppose that f(x) is the density function of a normal distribution with mean u and standard deviation sigma. show that u= intergral from -infinity->+infinity xf(x)dx
The mean, denoted as μ, is defined as the expected value of a random variable in a normal distribution. It is mathematically represented by the integral of x multiplied by the density function f(x) over the entire range of the distribution, specifically from negative infinity to positive infinity. This relationship confirms that the mean is the central point around which the values of the distribution are balanced. Understanding this concept is crucial for statistical analysis and probability theory.
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