What are the popular ringtones? The Web site funtonia.com updates its list of top ringtones often. Here are probabilities for the top 10 ringtones listed by the site recently
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(a) What is the probability that a randomly selected ringtone from this list is either Empire State of Mind or I Gotta Feeling?
(b) What is the probability that a randomly selected ringtone from this list is not Empire State of Mind and not I Gotta Feeling? Be sure to show how you computed this answer.