Mathematics, 26.04.2021 04:00 nabeelunique

An electronics store receives a shipment of 20 graphing calculators, 7 that are defective. Four of the calculators are selected to be sent to a local high school. (A) How many selections can be made?
(B) How many of these selections will contain no defective calculators?

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An electronics store receives a shipment of 20 graphing calculators, 7 that are defective. Four of t...