what is the answer is the one i selected correct

7. Asmall startup company in San Francisco surveyed all 42 employees to compare the proportion of men in the company who use the break room to the proportion of women in the company who use the break room. Which of these is true? () The company can use the data to prove that working for this company causes people to be more likely to use break rooms. ) The company should not use this data because it is from an observational study. () The company did not conduct a simple random sample, so the survey data will not provide useful information about the company. () The company would have to use the data to conduct a confidence interval to estimate the difference in the two parameters. @ The company does not need to use inference procedures because the survey is a census of all employees