Question: The graph of the probability density function of a normal random variable with parameters 3 and 9 is symmetricA. with respect to the straight line

The graph of the probability density function of a normal random

The graph of the probability density function of a normal random variable with parameters 3 and 9 is symmetricA. with respect to the straight line r = 3B. with respect to the straight line y = -3C. with respect to the straight line y = 3D. with respect to the straight line x = -3

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