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.
Algebra.Com
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
:
This is 32C4 = 32! / (4! * (32-4)!) = 35960 selections
:
RELATED QUESTIONS
An electronics store receives a shipment of 30 graphing calculators, including 7 that are (answered by mananth)
An electronics store receives a shipment of 30 graphing calculators, including 6 that are (answered by ewatrrr,psbhowmick)
An electronics store receives a shipment of 20 graphing​ calculators, 8 that are... (answered by ikleyn)
An electronics store received a shipment of 20 calculators, including 7 defective. 4 of... (answered by stanbon)
An electronics store receives a shipment of 50 flat screen TVs of which 6 are defective.... (answered by rothauserc)
In a shipment of 50 calculators, 5 are known to be defective. If 6 calculators are picked (answered by ewatrrr)
An electronics manufacturer has found that only 1 out of 500 of its television sets is... (answered by stanbon)
A manufacturer of calculators would like to separate defective calculators from... (answered by jorel555)
a computer store receives a shipment of 24 monitors, including 5 defective and 19 good... (answered by jim_thompson5910)