P(x overbar greater than or equals28), statistics homework help

P(x overbar greater than or equals28), statistics homework help

Please do not say you can do the problem and the ask for additional time

A random sample of n=100 observations is selected from a population with mu equals 30 and sigma equals 19. Approximate the probabilities shown below.

P(x overbar greater than or equals28) P(22.1 less than or equals x overbar less than or equals 26.8) P(x overbar less than or equals 28.2) P(x overbar greater than or equals 27.0)