Anna is inviting a group of six friends to go to the mountains in Colorado with her for the weekend Of her 33 friends, 15 are snowboardun. 12 we plan and 0 on snowboard, Leaving your answers in combinatorics format, what is the probability that if the selects her friends randomly. a. Two snowboarders, two skiers and two that do neither are chosen? b. At least one of snowboarder is selected? c. At most four skiers are solected? d. All selected friends are from the same category (snowboarders, skiers, neither? For the toolbar, press ALT -F10 (PC) or ALT . FN-F10 (Mack