If a quarter is tossed in the air, what is the probability it will land on tails? 1 / 4 1 / 3 1 / 2 2 / 3

#2 the answer is d

#3 the answer is a

#4 the answer is b

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity