The heights of residents living in a college can be said to be normally distributed with mean 180.9 cm and standard deviation 9.3 cm. Astudent, Rohan, is 166.5 cm tall. 3) Compute the standardised value or z-score corresponding to Rohan's height. Number (Enter your answer correct to at least 4 decimal places) b) Hence, compute the proportion of residents who are taller than Rohan. Number (Enter your answer correct to at least 2 decimal places) It is known that JP, another college student, is taller than 52% of the residents in the college. c) How many standard deviations below or above the mean is JP's height? Enter a negative value if below the mean and enter a positive value if above the mean. Number (Enter your answer correct to at least 4 decimal places) d) Hence, compute JP's height. Number cm (Enter your answer correct to at least 2 decimal places in centimeters)