Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is $187,000. Assume the...

Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is $187,000. Assume the standard deviation is $42,000. Suppose you take a simple random sample of 16 graduates.Round all answers to four decimal places if necessary.

what is the distribution of x¯?(x-bar) x¯ ~ N(     ,  )