Từ 8 quả bóng đỏ, 9 quả bóng vàng, 4 quả bóng xanh. Có bao nhiêu cách chọn 6 quả bóng a) chỉ có đúng 1 màu
b) số bóng vàng bằng quả xanh và luôn đủ 3 màu

Why do interests rates on loans to be lower in a weak economy than in a strong one

What could explain what happened when the time was equal to 120 minutes

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)