Question: A normal distribution is completely determined by Select one: A. Its standard deviation B. Its mean C. its mean and standard deviation D. its variance

A normal distribution is completely determined by Select one: A. Its

A normal distribution is completely determined by Select one: A. Its standard deviation B. Its mean C. its mean and standard deviation D. its variance The heights of men in the USA are normally distributed with a mean of 68 inches and a standard Deviation of 4 inches A random sample of five men is selected. What is the probability that the sample mean is greater than 70 inches? Select one: a. 0.6915 b. None of the other answers is correct c. 0.8686 d. 0.1314

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