Asked by Jay
Kindergarten class has 7 Scooby Doo , 8 Sesame Street, and 9 Barney DVDs. Each week, the class randomly selects 2 DVDs to watch on Friday. What is the probability that both movies are Barney?
Answers
Answered by
Scott
there are 24C2 ways of selecting two movies
there are 9C2 ways of selecting two Barney movies
the probability is ... 9C2 / 24C2
there are 9C2 ways of selecting two Barney movies
the probability is ... 9C2 / 24C2
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