A Bloomberg Businessweek endorser study asked, "In the previous a year, when going for business, what kind of carrier ticket did you buy most often?" A subsequent inquiry posed if the sort of aircraft ticket bought regularly was for homegrown or worldwide travel. Test information got are appeared in the accompanying table. Homegrown Worldwide Sort of Ticket Travel Sums First/Business class 130 150 280 Economy class 520 140 660 Sums 650 290 940 a. %42$(4pt) Express the invalid and elective theories for testing whether the kind of ticket is related with the movement type. b. (8pt) Ascertain the normal checks expecting that sort of ticket and travel type are free. (8pt) Infer the test measurement. d. (4pt) Make an end at the 0.05 level.