1. It is known that in USTSHS, the average time required to process invoices is 8 days with a standard deviation of 36 hours. If the processing time is normally distributed, what proportion of the invoices is processed between 6 and 11 days? 2. Assuming that monthly incomes of families in a certain barangay are normally distributed with an average of 25,500 pesos and a standard deviation of 3.200 pesos. If the local government will give financial assistance to families belonging to the lowest 6% earners, at most how much should be the monthly income of the family in order to receive the said assistance