An electronics store receives a shipment of 30 graphing calculators, including 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 using the original shipment? b. How many of these selections will contain no defective calculators? selections can be made using the original shipment. a. (Type a whole number.) b. Of these selections, (Type a whole number.) will contain no defective calculators.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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An electronics store receives a shipment of 30 graphing calculators, including 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 using the original shipment?
b. How many of these selections will contain no defective calculators?
a. selections can be made using the original shipment.
(Type a whole number.)
b. Of these selections, will contain no defective calculators.
(Type a whole number.)
Transcribed Image Text:An electronics store receives a shipment of 30 graphing calculators, including 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 using the original shipment? b. How many of these selections will contain no defective calculators? a. selections can be made using the original shipment. (Type a whole number.) b. Of these selections, will contain no defective calculators. (Type a whole number.)
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