Atown’s athletic league contains 18 baseball teams. the board members of the league want to survey adults attending games to determine if they believe the athletes are showing good sportsmanship. the board members attended one game and surveyed an equal number of adults supporting each of the two teams. which best explains the validity of the results? a).invalid because of biased sampling b).invalid because the sampled adults are not part of the population c).valid because an equal number of adults supporting both teams were surveyed d).valid because adults are the target population

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)