Please help Let X be a continuous random variable with PDF f(x) = 3/(x^4) for all x greaterthan or equal to 1 and f(x) = 0 for all x less than 1. Solve the variance of X.О 323/43.9/4

Answered: Let X be a continuous random variable…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 30E

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Let X be a continuous random variable with PDF f(x) = 3/(x^4) for all x greater %3D than or equal to 1 and f(x) = O for all x less than 1. Solve the variance of X. %3D 3/2 O 3/4 9/4