You are thinking about signing a contract, as a supplier for one of the biggest global exporting company. The draft contract obligates you to deliver 20 tons of orange every week. The delivery process of orange during this season follows a normal distribution with = 22.5 tons every week and = 3.2 tons. 1. What is the probability that you will achieve the contract terms? 2. What is the orange quantity that you will be 95% confident that you will deliver every week?