Asked by Nikkie

From a shipment of 75 transistors, 4 of which are defective, a sample of 6 transistors is selected at random.
(b) How many samples contain exactly 3 defective transistors?
(c) How many samples do not contain any defective transistors?
Answered by doge master
I feel like there is a key piece of info missing here...
Answered by Nikkie
What piece of info is missing?
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