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Vocabulary:
1. A situation involving uncertain results is called ____ ______________.
2. The set of all possible outcomes of an experiment is called ___ ______ _______.
3. The Probability of an event is ___ _________ _________ _____ ______ ____ _____
____ ___ _________ ___ _________.
4. A subset of the sample space is called ___ _______.
5. What does the Law of Large Numbers say?
6. If the probability of event A does not change when you know B has occurred, then A and
B are ____________.
7. If events A and B cannot both occur they are __________ ____________
Problems:
1. The probability of rolling a 3 on a standard 6-sided fair die is _____
2. The probability of rolling an even number on a standard 6-sided fair die is _____
3. Can the probability of an event be 2?
4. If you flip two coins, a penny and a dime and the dime is a head, what is the
probability that you have two heads?
5. If you flip two coins, a penny and a dime and one of them is a head, what is the
probability that you have two heads?
6. If 3% of a given population uses drugs and you use a drug test that returns an
accurate result 90% of the time, what is the probability that a person taken at
random tests positive?
7. In the same situation as above, if a person randomly chosen tests positive, what is
the probability that he/she is a drug user?