Question

On average, how many people worked in the world trade center (wtc) before september 2001?

Answer 1

Answer: 15,552

On the average, 15,552  people worked in the World Trade Center before September 2001. This estimate was initially based on available lists which identified 8965 survivors and 2152 confirmed deaths. Another 4435 survivors were suggested by a capture-recapture model at 95% confidence interval.