A local article reported that at least 50% of the construction jobs in the metropolitan Dallas area are being filled by undocumented foreign workers.
Kim Brown believes the actual percentage is much lower than that, and intends to challenge the newspaper's figure. She took a random sample of 100 construction workers and found that 42 of them are undocumented.
What is the test statistic? What is the P VALUE?
What is the conclusion if the level of significance is α=0.05?