An agricultural extension service would like to host a seminar for the local garden club of 600 members. They have a specialist on growing tomatoes in this area and will ask her to speak if the attendance for the seminar will be at least forty people. Instead of contacting all the members of the garden club only 60 were asked if they would come to the seminar. Based ion these results, the extension service decided whether or not to invite the speaker. The population in this problem is