An electronics store receives a shipment of 30graphing calculators, including 6 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?

An electronics store receives a shipment of 30graphing calculators, including 6 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?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

An electronics store receives a shipment of 30graphing calculators, including 6 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?

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