Charter Southeast Airlines states that the flight

between Fort Lauderdale, Florida, and Los Angeles

takes 5 hours and 37 minutes. Assume that the actual

flight times are uniformly distributed between 5 hours

and 20 minutes and 5 hours and 50 minutes.

a. Determine the probability that the flight will be

more than 10 minutes late.

b. Calculate the probability that the flight will be more

than 5 minutes early.

c. Compute the average flight time between these two

cities.

d. Determine the variance in the flight times between

these two cities.