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OpenStudy (anonymous):
A professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many different ways can these students be selected, if the order of selection does not matter? A. 116,280 B. 4,845 C. 2,880 D. 3,945
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OpenStudy (anonymous):
2 option
OpenStudy (anonymous):
what do you mean?
OpenStudy (anonymous):
b option is correct
OpenStudy (anonymous):
4845 is the answer
OpenStudy (anonymous):
ooh okay thanks
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OpenStudy (anonymous):
wlcm
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