Question 6 1 pts Let X be a continuous random variable with probability density function x} = 3322,56 E [I], 1]. Compute EiX]. Give your answer as a decimal number to two decimal places leg. 0.38]. \fQuestion 8 1 pts Suppose that X is a random variable with [:Jrolaabilitvr mass function 32(3) = (2) 0.2303\" for x=0, 1, 2, 3, 4, 5 What is the mean and standard deviation of this random variable rounded to 4 decimal places? {3 mean =4, standard deviation = 2 0 mean =4, standard deviation = [13 {3 mean = 2, standard deviation = 1.17] {3 mean = 1, standard deviation = .8944 Question 9 1 pts Let X be an exponential random variable with probability density function [pd le'? axial] I = 2 ' . til) lo men The variance of X is: 04 02 {3.25 0.5