Considering the table below, please answer the following questions below.

CREATE TABLE FLIGHT_INFO(

AirCraftType varchar(20), ,

Destination varchar(20),

TimeOfDeparture varchar(20),

DateOfDeparture DATE,

Capacity varchar(20),

FlightStatus varchar(20))

Write a statement to create a procedure that calculates and displays the average age of the passengers. Create a statement to invoke the procedure.