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)