Car Ignition Systems

Car Ignition Systems A quality control analyst randomly selects 3 different car ignition systems from a manufacturing process that has just produced 200 systems, including 5 that are defective.
a. Does this selection process involve independent events?
b. What is the probability that all 3 ignition systems are good? (Do not treat the events as independent.)
c. Use the 5% guideline for treating the events as independent, and find the probability that all 3 ignition systems are good.
d. Which answer is better: The answer from part (b) or the answer from part (c)? Why?

Car Ignition Systems

Car Ignition Systems A quality control analyst randomly selects 3 different car ignition systems from a manufacturing process that has just produced 200 systems, including 5 that are defective.
a. Does this selection process involve independent events?
b. What is the probability that all 3 ignition systems are good? (Do not treat the events as independent.)
c. Use the 5% guideline for treating the events as independent, and find the probability that all 3 ignition systems are good.
d. Which answer is better: The answer from part (b) or the answer from part (c)? Why?