Ina poll of 525 human rescourse professionals, 49.5% said that bodypiercings and tattoos were big red flags. Complete parts a throughd below.
A.Among the 525 how many of them said it’s a red flag
B.Construct a 99% confidence interval estimate of the proportion ofall professionals believing that it’s a red flag
C.Repeat part B with a 80% confidence level
D.Is B or C a wider interval and why?