Question 7 random variable with probability density function f(x) 14542 for _ <x< has standard deviation 0.375 b. 0.775 0.6 d.0
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The formula for standard deviation is: σ = sqrt(∫(x-μ)^2f(x)dx) where μ is the mean of the random variable. Since we are not given the mean, we need to find it first. The mean is given by: μ = ∫xf(x)dx Using the given probability density function, we have: μ Show more…
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