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adelina 88 [10]
2 years ago
15

How many ways can 4 student ma be chosen from a class of 30 students is ?

Mathematics
2 answers:
snow_tiger [21]2 years ago
6 0
If the order doesn't matter then you have to apply the combination formula:

³⁰C₄ = (30!)/(4!)(30-4)! = 27,405 WAYS

andre [41]2 years ago
3 0
That's we can solve by using a combination algorithm: C^4_{30}=\frac{30*29*28*27}{4*3*2*1} = 27405
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