mth 250 help please

Annual income the mean annual income for people in a certain city (in thousands of dollars) is 39, with a standard deviation of 27. A pollister draws a sample of 92 people to interview Part: 0/5 Part 1 of 5 (5) What is the probability that the sample mean income is less than 337 Round the answer to at least four decimal places The probability that the sample mean income is less than 33 is