InterviewSolution
Saved Bookmarks
| 1. |
survey of 500 television viewers produced thefollowing information; 285 watch football, 195watch hockey, 115 watch basketball, 45 watchfootball and basketball, 70 watch foot ball andhockey, 50 watch hockey and basket ball, 50 do notwatch any of the three games. Find the number ofviewers watch all the three games |
| Answer» | |