Question: Let X be a random variable that represents the amount of time a randomly selected person spent on social media yesterday. Suppose it is known
Let X be a random variable that represents the amount of time a randomly selected person spent on social media yesterday. Suppose it is known that X is skewed to the right with the population mean = 3 and standard deviation = 3 (in hours). Let X be the sample mean from a random sample of 9 people.
a) What is the mean of x (X ) and standard deviation of X (X )?
b) Is X normally distributed? Explain
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