Question
Asked Nov 21, 2019
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5 Students are selected from a group of 11 students for prizes. How many different possible groups could be selected if they all got different prizes?

Select one:
a. 11!/(6!5!)
b. 7!/11!
c. 11!/ 5!
d. 11!/6!
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Expert Answer

Step 1

There are total 11 number of students and out of 11, 5 students should be selected for the prizes.

 

Selection of 5 people from ...

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11 11! (11-5) 5 5 .5! 11! 6!.5!

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