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help please 2. Let X be a random variable with the following pdf. 6x(1 x) D 2. Let X be a random variable with the

help please

2. Let X be a random variable with the following pdf. 6x(1 x) D

2. Let X be a random variable with the following pdf. fx(x) = a. b. c. 6x(1 x) otherwise Find the mean of X. Find the standard deviation of X. Find the probability that X is within two standard deviations of the mean.

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