McBurgers Restaurant claimed that they could provide anything on the menu in three minutes. A survey of 1000 customers yielded the following data. Mean 5.71 minutes with a standard deviation of 1.02 minutes.
1. What is the probability that McBurgers could provide a meal in less than 4 minutes?
2. What is the probability that McBurgers could provide a meal in more than 5 minutes?