An attorney claims that more than 30% of all lawyers advertise. A random sample of 200 lawyers in a certain city showed that 63 had used some form of advertising. At 5% level of significance, we would like to know if there is enough evidence to support the attorney. What is the estimated value of the true number of lawyers who advertise?

Answer rating: 100% (QA)

A sample of 200 dauwyers ima eutain city showed th... View the full answer