You own 11 compact discs (CDs). You want to randomly arrange 5 of them in a...
You own 11 compact discs (CDs). You want to randomly arrange 5 of them in a CD rack. What is the probability that the rack ends up in alphabetical order? Be sure to leave your answer as a fraction in order to earn credit.
There is a __________ probability that the rack ends up in alphabetical order.
Homework Answers
Since there is only one arrangement out of 9! where the CD's are in alphabetical order, the probability that the rack ends up in alphabetical order is 1/5! = 1/120 = 0.0083
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