Có ba hộp đựng các viên bi chỉ khác nhauvề màu sắc. Hộp I có 2 viên bi đỏ và 1 viên bi xanh, Hộp II có 3 viên bi đỏ và 1 viên bi xanh, Hộp III có 2 viên bi đỏ và 2 viên bi xanh. Lấyngẫu nhiên một hộp và từ đó lấy ngẫu nhiên một viên. Tính xác suất để lấy đượcviên bi đỏ

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

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.)