A simple random sample of size nequals69 is obtained from a population that is skewed left with muequals55 and sigmaequals5. Does the population need to be normally distributed for the sampling distribution of x overbar to be approximately normally​ distributed? Why? What is the sampling distribution of x overbar​? Question content area bottom Part 1 Does the population need to be normally distributed for the sampling distribution of x overbar to be approximately normally​ distributed? Why?