The old sage inn offers a special dinner menu each night. there are two appetizers to choose from, three main courses, and four desserts. a customer can select one item from each category. how many different meals can be ordered from the special dinner menu?

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.