SOLUTION: A package contains 10 resistors, 3 of which are defective. If 5 are selected, find the probability of getting the following results. 1) 0 defective resistors. 2) 1 defective res

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Question 919463: A package contains 10 resistors, 3 of which are defective. If 5 are selected, find the probability of getting the following results.
1) 0 defective resistors.
2) 1 defective resistor
3) 3 defective resistors
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
10 resistors, 3Def, 7 not Def
5 selected
1) P(0 defective) =%287%2F10%29%286%2F9%29%285%2F8%29%284%2F7%29%283%2F6%29
2) P(1 def) = %283C1%29%287C4%29%2F%2810C5%29
3) P(3 def) = %283C3%29%287C2%29%2F%2810C5%29