A shipment of 250 netbooks contains 3 defective units

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Reference no: EM13610485

A shipment of 250 netbooks contains 3 defective units. Determine how many ways a vending company canbuy three of these units and receive:

a) no defective units

b) all defective units

c) at least one good unit

Also need the probability of the above.

Reference no: EM13610485

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