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A school director must randomly select 6 teachers to participate in a training session. There are 26 teachers at the school. In how many different ways can these teachers be selected, if the order of selection does not matter? A.165,765,600 B.178,330 C.102,118,800 D. 230,230

User Dpington
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2 Answers

5 votes

Answer: 230,230

Explanation:

A P E X

User BSharp
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The answer is D. 230230

The solution is as follows:
n = 26 (total number of teachers)
r = 6 (amount of teachers to participate)
n!/(n-r)!6!
26! / 20! 6!
230230

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User Dan Homola
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