I get confused when it is money and has ranges and percentiles

Question 6 of 7 (1 point) | Attempt 1 of 3 View question in a popup 7.3 Section Exercise 26 (calc) High-rent district: The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $2674. Assume the standard deviation is $508. A real estate firm samples 108 apartments. Use the TI-84 Plus calculator. t Part 1 of 5 (a) What is the probability that the sample mean rent is greater than $2744? Round the answer to at least four decimal places. The probability that the sample mean rent is greater than $2744 is Part 2 of 5 (b) What is the probability that the sample mean rent is between $2543 and $2643? Round the answer to at least four decimal places. The probability that the sample mean rent is between $2543 and $2643 is Part 3 of 5 (c) Find the 80 percentile of the sample mean. Round the answer to at least two decimal places. The 80 percentile of the sample mean rent is $