A survey on monthly expenses for undergraduate students at the Faculty of Science and Technology, Universiti Sains Islam Malaysia has been conducted by a group of researchers. The monthly expenses for the students are normally distributed with a mean of RM427 and a standard deviation of RM112. What is the probability of an individual to have monthly expenses to be more than RM400? (5 Marks) bl What is the probability that an individual spending between RM200 to RM250 monthly? (6 Marks) How much is the monthly expenses in order to be within the top 5% spending amount? (4 Marks) [Total: 15 Marks]