SOLUTION: An electronics store receives a shipment of 40 graphing​ calculators, including 8 that are defective. Four of the calculators are selected to be sent to a local high school.
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Question 1065888: An electronics store receives a shipment of 40 graphing calculators, including 8 that are defective. Four of the calculators are selected to be sent to a local high school. How many of these selections will contain no defective calculators? Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! To get no defective calculators, it means you need to select all 4 from the set of 32 (40 - 8) non-defective calculators
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This is 32C4 = 32! / (4! * (32-4)!) = 35960 selections
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