SOLUTION: a package contains 12 resistors, 3 of which are defective. if 4 are selected find the probability of getting a. 0 defective b. 1 defective c. 3 defective

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Question 383966: a package contains 12 resistors, 3 of which are defective. if 4 are selected find the probability of getting
a. 0 defective
b. 1 defective
c. 3 defective

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The probability for a defective resistor is,

The probability for a non-defective resistor is,

.
.
.
Find the probabilities for defective resistors from to out of 4 total.





.
.
.
a)
b)
c)

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