A consultant has been brought in to poll your employees about about safety culture in the workplace. They come up with the following statement 60% of employees believe the workplace has a positive safety culture. The results are accurate within +20%, 19 times out of 20." Management says that they don't like that the results are only accurate within 120%, so the company offers the alternative statement: "60% of employees believe the workplace has a positive safety culture. The results are accurate within +7%, 10 times out of 20." What did the consultant do to decrease the margin of error to 7%? increased the confidence level O increased the sample size decreased the sample size O decreased the confidence level What is the drawback to his approach? O it will take more time to do this it will cost more money to do this O it is more likely that this confidence interval does include the true population proportion O it is more likely that this confidence interval does not include the true population proportion What is a better approach to decrease the margin of error? increase the sample size O increase the confidence level O decrease the sample size O decrease the confidence level na