Question: A7. If a r.v. X has a normal distribution with mean and variance , show that (a) The mode of X is (b) The variance

A7. If a r.v. X has a normal distribution with mean

A7. If a r.v. X has a normal distribution with mean and variance , show that (a) The mode of X is (b) The variance of X is (c) The median of X is

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