Question

In a poll of 505 human resource​ professionals, 45.3​% said that body piercings and tattoos were big grooming red flags. Complete parts​ (a) through​ (d) below. ​a) Among the 505 human resource professionals who were​ surveyed, how many of them said that body piercings and tattoos were big grooming red​ flags? 229 ​(Round to the nearest integer as​ needed.) ​b) 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. 0.396 less than p less than 0.510

c) Repeat part​ (b) using a confidence level of​ 80%.

nothing less than p less than<p<nothing

​(Round to three decimal places as​ needed.)

Answer 1