A quality control manager wants to determine The percentage of the defective lightbulbs in the production line, which of the following sampling methods would most likely lead to valid

Random sampling would most likely lead to valid results in this scenario. By randomly selecting lightbulbs from the production line for inspection, the quality control manager can ensure that the sample is representative of the entire population of lightbulbs being produced. This will help to provide an accurate estimate of the percentage of defective lightbulbs in the production line.