Question

An outbreak of gastroenteritis occurred at a boarding school with a student inrollment of 846. 57 students reported symptoms including vomiting, diarrhea, nausea, low-grade fever between 10 PM on September 24 and 8 PM on September 25. The L students lived in dormitories the house 723 of the students. The table below provides information on the number of students per type of residence and the number reporting illnesses consistent with that describes symptoms and onset time. What is the proportion of total cases of curry and students who live at home?

edAn outbreak of gastroenteritis occurred at a boarding school with a 1.00 student enrollment of 846. Fifty-seven students reported symptoms on including vomi ting, diarrhea, nausea, and low-grade fever between 10 p. m. on September 24 and 8 p. m. on September 25. The ill students lived in dormi tories that housed 723 of the students. The table below provides information on the number of students per type of resi dence and the number reporting illnesses consistent with the described symptoms and onset time. What is the proportion of total cases occurring in students who live at home? Number of students Residence Number of cases 380 Boys Dormitory (all boys) 40 343 12 Girls Dormitory (all girls) Day students (Live at home) 123 (46 boys, 77 girls) 5 (3 boys, 2 girls) 846 Total 57 Select one: a 8.8% b. 91.2% с. 85.5% d. 10.1% e 45%

Answer 1

Total students = 846

Students at dormitory = 723

Cases at dormitory= 52

Students living at home = 123

Cases at home = 5

Proportion of total cases occurring in students who live at home = no. of cases at home / total no. of cases in the school × 100

= 5 cases/57 cases × 100

= 8.8%

Answer is a.8.8%