1)There are 200 seats on the Boeing 747 flight from Dallas to Houston. Assume that the number of passengers who buy tickets but do not show up at the airport is normally distributed with mean 30 and standard deviation 15. The average price of a ticket is $475. The manager decides to overbook the flight. He estimates that it costs $800 on average to compensate for a customer if there are not enough seats. a. How many reservations should the manager accept