SOLUTION: Twelve computer monitors are stored in a warehouse. The manager knows that three are defective, but has lost the list. He selects five monitors at random to begin testing. a.

Question 650098: Twelve computer monitors are stored in a warehouse. The manager knows that three are defective, but has lost the list. He selects five monitors at random to begin testing.
a. How many different choices of five monitors does he have? 792 is the answer using 12C5 for combinations
b. In how many ways could he happen to select the five monitors that include the defective ones? _________________????
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Twelve computer monitors are stored in a warehouse...3 defective, 9 NOT DEFECTIVE

b. In how many ways could he happen to select the five monitors that include the defective ones

    

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