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Sagot :
The correct B. 495.
A group of k elements can be chosen from a group of n elements in ways.
n = 12
r = 4
Probability
Probability is the branch of mathematics concerning the occurrence of a random event, and four main types of probability exist: classical, empirical, subjective and axiomatic. Probability is synonymous with possibility, so you could say it's the possibility that a particular event will happen
nCr = n1 / (n-r)! r1
12C4 = 12! / (12-4)! 4!
12C4 = 12x11x10x9x8! / 8! 4!
12C4 = 11880 / 24
12C4 = 495
The correct B. 495.
To learn more about Probability visit:
brainly.com/question/14355959
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