An online store states that the average time for preparing an order for shipment is 15 minutes or less. You do not believe this and wish to provide evidence that average preparation time is greater than 15 minutes. The alternate hypothesis is average time is less than or e( V You place orders of random goods and write down the amount of time that you waited until an automatic \"ready for shipment\" email was sent to you. Suppose you place 90 orders and record that the average wait time in your sample was 17 minutes, with sample standard deviation of 10 minutes. Based on this evidence, at the 5% signicance level, you conclude that You do \"0t have enough V