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

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!