Final answer:
The question pertains to business, focusing on Andrew's job in life insurance sales and the sales principle of law of averages.
Step-by-step explanation:
The statement describes Andrew's employment situation at a GM factory and his role in life insurance sales. The mention of "After so many calls, someone will eventually buy" alludes to the law of averages, a principle that can be applied to sales, suggesting that a certain number of outreaches will result in a sale due to statistical probability.
This is a concept often discussed in business studies related to sales techniques and consumer behavior.