| community service preference | number of student |
| hospital volunteer | 18 |
| strew cleanup crew member | 14 |
| home visitors to senior citizens | 10 |
| library volunteer | 8 |
IF THREE HUNDRED FIFTY STUDENTS SIGN UP TO DO COMMUNITY SERVICE HOW MANY MORE STUDENTS CAN BE EXPECTED TO SERVE IN A HOSPITAL THAN IN A LIBRARY
+118724 18+14+10+8 = 50
When 50 signed up 18 volunteered for hospital and 8 volunteered for library
350/50 = 7
so
expectations:
When 50*7 signed up 18*7 volunteered for hospital and 8*7 volunteered for library
When 350 signed up 126 volunteered for hospital and 56 volunteered for library
126 - 56 = 70
You would expect 70 more to serve in the hospital than in the library :)
