Because not all airline passengers show up for their reservedseats, an airline sells 125 tickets for a flight that holds only120 passengers. The proportion that a passenger does not show up is10%, and the passengers behave independently. [Think BinomialDist.]
a. What is the proportion that every passenger who shows up getsa seat?
b. What is the proportion that the flight departs with emptyseats?
c. What are the mean and standard deviation of the number ofpassengers who show up?