STATISTICS I (İSTATİSTİK) - (İNGİLİZCE) Dersi Basics of Probability soru detayı:

PAYLAŞ:

SORU:
A group of 3 students will be choosen among 10 students. How many different groups are possible?

CEVAP:
Since the order of students is not important we can use combination. Thus:

C(10,3)=10!/7! 3!=7!89*10/7!32=4310=120. So 120 different groups are possible.

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