Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Mathematical Science Statistics & Exploratory Data Analysis Random Variables & Distribution Functions
Let X1, X2,.... be a sequence of independent normally distributed random variables with mean 1 and variance 1. Let N be a Poisson random variable with mean 2, independent of X1, X2,... Then, the variance of X1 + X2 + ... +XN+1 is
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