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From a shipment of 75 transistors, 6 of which are defective, a sample of 5 transistors is selected at random. (a) In how many different

From a shipment of75transistors,6of which are defective, a sample of5transistors is selected at random.

(a) In how many different ways can the sample be selected?

ways

(b) How many samples contain exactly3defective transistors?

samples

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