T F (vii) The normal distribution is symmetric only if the mean is zero and the standard deviation is one. Contents. Suppose the distribution of X is...

T F (vii) The normal distribution is symmetric only if the mean is zero and the standard deviation is one. Contents. Suppose the distribution of X is normal with with mean And standard deviation . (i) What is the distribution of X- ? I. The Sampling Distribution of the Sample Mean (ii) What is the the mean (expected value) and standard deviation of X? Answer: X = E(X) =