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Solved: Defective Resistors A package contains 12
Chapter 4, Problem 6(choose chapter or problem)
Defective Resistors A package contains 12 resistors, 3 of which are defective. If 4 are selected, find the probability of getting
a. 0 defective resistors
b. 1 defective resistor
c. 3 defective resistors
Questions & Answers
QUESTION:
Defective Resistors A package contains 12 resistors, 3 of which are defective. If 4 are selected, find the probability of getting
a. 0 defective resistors
b. 1 defective resistor
c. 3 defective resistors
ANSWER:Step 1 of 5
Experiment: From 12 resistors ( 3 defective, 9 satisfactory), four are selected at random.
Events:
A - exactly 0 of the selected resistors are defective
B - exactly 1 of the selected resistors is defective
C - exactly 3 of the selected resistors are defective
Compute the probability of A, B and C