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statistic q

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bayan
 
Reply Sat 23 Mar, 2013 02:48 pm
11- A population consists of 15 pharmacy students. If we want to select 5 of them to represent the students in the faculty council. How many possible samples can we get?
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Type: Question • Score: 0 • Views: 1,103 • Replies: 1
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markr
 
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Reply Sat 23 Mar, 2013 05:23 pm
@bayan,
The number of combinations of 15 items selected 5 at a time.
C(15,5)
where C(n,r) = n!/(r! * (n-r)!)
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