1. In which direction is the distribution below skewed?

2. Tom owns 150 cds. 4 of these cds are by the Wu-Tang Clan. After listening to a cd, Tom doesn’t like to listen to it again until he listens to all his other cds. If Tom randomly selects cds to listen to on a long road trip, what is the probability that the first 4 cds he plays are his 4 Wu-Tang Clan cds?

3. What is the probability of flipping a normal quarter 3 times and getting heads all three times?

4. What is the probability of flipping a normal quarter 3 times and getting heads, tails, heads?

5. Imagine you are sick and so you visit your doctor’s office. Since the seasons are changing and many people are sick, the office is packed with people waiting to see a doctor. What this means is that you do not know which of the 4 physicians at the office will examine you. What is the probability that either your favorite doctor or second-favorite doctor of the four will see you?

6. Different people have different tastes in food, art and popular culture—this is a fact. Suppose you are meeting a blind date for dinner, followed by a trip to the movies. The restaurant that you are patronizing has 12 beers on tap, your favorite of which is Budweiser. The movie theater you are going to patronize is currently screening 5 movies, and the one you want to see most is *The Grandmaster.* What is the probability that your date, whom you have never met before, shares your preferences in both beer and film?

Subject | Mathematics |

Due By (Pacific Time) | 09/17/2013 12:00 am |

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