Job Interviews In a Harris poll of 514 human resource professionals, 45.9% said that body piercings and tattoos were big grooming red flags. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big grooming red flags. Group of answer choices 0.42

The 99% confidence interval is  

Step-by-step explanation:

From the question we are told that

       The sample size is  n = 514

        The sample proportion is  

From the question we are told the confidence level is  99% , hence the level of significance is    

=>  

Generally from the normal distribution table the critical value  of   is  

Generally the margin of error is mathematically represented as  

=>  

=>    

Generally 99% confidence interval is mathematically represented as  

=>    

the correct answer is the second option