SOLUTION: A shipments of 320 laptops contains 7 defective units. What is the probability of a company biting 5 laptops & receiving : A) all defective units? B) no defective units? C) t

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Question 505494: A shipments of 320 laptops contains 7 defective units. What is the probability of a company biting 5 laptops & receiving :
A) all defective units?
B) no defective units?
C) two working units & five defective units?
D) two defective units & five working units?
E) at least one defective unit?
F) at least one working unit?

Thank you!

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A shipments of 320 laptops contains 7 defective units. What is the probability of a company buying 5 laptops & receiving :
A) all defective units?::: 7C5/320C5
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B) no defective units?::: 7C0/320C5
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C) two working units & five defective units?:::
Note: They only bought 5 laptops, not 7
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D) two defective units & five working units?
Note: They only bought 5 laptops, not 7
--------------------------------------------
E) at least one defective unit?::: 1 - [313c5/320C5]
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F) at least one working unit?:::: 1 - [7C5/320C5]
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Cheers,
Stan H.
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