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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
Refer to Exercise 6.99, but now suppose that two viewers are randomly selected (without replacement). Let R1 and R2 denote the events that the first and second individuals, respectively, watched an R-rated movie. Are R1 and R2 independent events? Explain. From a practical point of view, can these events be regarded as independent? Explain.
Exercise 99
A theater complex is currently showing four R-rated movies, three PG-13 movies, two PG movies, and one G movie. The following table gives the number of people at the first showing of each movie on a certain Saturday:
Suppose that one of these people is randomly selected.
a. What is the probability that the selected individual saw a PG movie?
b. What is the probability that the selected individual saw a PG or a PG-13 movie?
c. What is the probability that the selected individual did not see an R movie?
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