Warren and McFadyen (2010) interviewed 44 residents of Kintyre, Scotland. This rural area in southwest Scotland is home to a growing number of wind farms.

Twenty-two of the interviewees rated the visual impact of the wind farms as Positive or Very Positive. Assuming this was a random sample, give a 90% confidence interval for the proportion of all Kintyre residentswho would give one of these ratings. LO.1