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find the probability of andomly selectng 7 amerans rom apool of 23 britsh peopleand 19 amerans. determine whether the event isdependent or independent, list the aroprite formula, compu your answer,

1 answer

method 1

prob = (19/42)(18/41)(17/40)...(13/36) = .0018677

method 2
prob = C(19,7)/C(42,7) = .0018677

(C(19,7) means 19 choose 7, or 19!/(7!12!)
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