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You are attending a medical conference in which you may choose 4 presentations to be selected
from among 12 lecturers.
In how many different ways can one plan your day?
(a) If the order matters?
(b) If the order doesn
Solution
a) 12!/4! b) 12! c) 12!/(12-4)!*4!

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You are attending a medical conference in which you may choose 4 pre.pdf

  • 1. You are attending a medical conference in which you may choose 4 presentations to be selected from among 12 lecturers. In how many different ways can one plan your day? (a) If the order matters? (b) If the order doesn Solution a) 12!/4! b) 12! c) 12!/(12-4)!*4!