A package contains 12 resistors 3 of which are defective If 4 are selected find the probability of getting a) 0

Question

A package contains 12 resistors, 3 of which are defective. If 4 are selected, find the probability of getting a) 0

defective resistor

(b) 1 defective resistor

(c) 3 defective resistors

Statistics and Probability