Which one of the following statements is NOT true?

		The normal distribution is completely described by its mean, standard deviation, skewness, and kurtosis.
		When bad outcomes are more frequent than good outcomes, we could not use Standard deviation as a risk measure.
		Sharpe ratio could be treated as the standardized risk-premium when the assets return follows the normal distribution.
		Standard deviation is a complete measure of risk when the assets return follows the normal distribution.