Question

3) A group of 200 campers arrive at Camp Artois on May 15^th. As part of the check-in process, camp staff briefly interviews each camper making sure the camper feels healthy, and recording any known allergies or health conditions that may/may not have been mentioned in the Camp Artois registration form medical history section. During this check-in, nine campers had rashes attributed to poison oak exposure. By the end of the first week, campers from all cabin groups had completed hikes of distances from two to six miles. By May 23^rd, 32 campers that did not have poison oak rash at check-in, reported to the camp nurse with typical rash symptoms of poison oak in addition to nine campers that arrived with poison oak.

3a) What was the incidence rate of poison oak rash over the week of May 16^th through May 22^nd?

Give your answer as a number to one decimal place per 100 campers and show your calculation.

3b) What was the prevalence of poison oak rash cases among campers at Camp Artois on May 23^rd?

Give your answer as a number to one decimal place per 100 campers and show your calculation.

Answer 1