The citizens of the fictional island nation of Fitland are very healthy and happy They eat a mostly vegan diet and commute to work on bikes Their culture emphasizes living in harmony with the sun so they maintain healthy circadian rhythms For example they always turn off their phones by 9pm and they only drink water after sunset You are a medical anthropologist at the University of Fitland who wants to understand the Fitland lifestyle So far you have found the following information Use the standard normal distribution table to answer the questions below Assume each of these variables is normally distributed The mean body mass index BMI for Fitlanders is 20 kg m2 with a standard deviation of 2 kg m2 The median daily screen time for Fitlanders including phones TVs and computer screens is 84 minutes with a standard deviation of 18 minutes About 68 of Fitland s citizens have commute times between 21 and 45 minutes Half of Fitland s citizens commute to work in 33 minutes or less What percentage of Fitlanders have a BMI of 25 kg m2 or less Report the answer to two decimal places What percentage of Fitlanders get 57 minutes of daily screen time or less Report the answer to two decimal places What would be the z score for a Fitlander who has to commute a full hour longer than the average commute