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- graph the function and find its average value overthe given interval. ƒ(x) = x2 - 1 on [0, √3]If X = ln Y has a normal distribution with the mean μand the standard deviation σ, find the probability densityof Y which is said to have the log-normal distribution.Let y1, y2,.., y10 be a random sample from an exponential pdf with unknown parameter A. Find the form of the GLRT for Ho : = ^o versus H1 : A ± do. What integral would have to be evaluated to determine the critical value if a were equal to 0.05?