Starting at 5:00 AM, every half hour there is a flight from San Francisco airport to Los Angeles International airport. Suppose that none of these planes is completely sold out and that they always have room for passengers. A person who wants to fly to L.A. arrive at the airport at a random time between 8:45 AM and 9:45 AM. Find the probability that he/she waits: (a) at most 2 minutes; (b) at least 18 minutes. O (a) 0.2165, (b) 0.3414. O (a) 0.0667, (b) 0.3202. O (a) 0.0667, (b) 0.4000. O (a) 0.2165, (b) 0.4000.

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